{"title":"Pistons \u0026 Rings","description":"\u003cp align=\"justify\"\u003ePistons and rings are at the core of your engine’s combustion process, playing a crucial role in maintaining compression and delivering power. High-quality pistons and rings ensure that your engine operates efficiently, with minimal friction and maximum durability. At ATOMIC-SHOP, we offer a wide range of performance pistons and rings, engineered to meet the demands of high-performance engines, whether for street use or racing.\u003c\/p\u003e\n\n\u003cp align=\"justify\"\u003eUpgrading your pistons and rings is essential for those seeking to boost engine power and reliability. Precision-engineered pistons provide better combustion chamber dynamics, leading to increased horsepower and torque. Combined with durable rings that maintain a tight seal under high pressures, this upgrade ensures your engine performs at its best, reducing the risk of blow-by and maintaining optimal compression over time.\u003c\/p\u003e\n\n\u003cp align=\"justify\"\u003eOur selection of pistons and rings is made from premium materials such as forged aluminum, designed to withstand the extreme conditions of high-performance driving. Whether you're building a naturally aspirated engine, a turbocharged system, or a supercharged powerhouse, our products offer the strength and resilience needed to handle increased loads and temperatures.\u003c\/p\u003e\n\n\u003cp align=\"justify\"\u003eAt ATOMIC-SHOP, we understand that every engine build is unique. That’s why we provide a variety of pistons and rings to suit different engine configurations and performance goals. Our expert team is here to help you select the right components for your specific needs, ensuring that your engine’s internals are optimized for maximum efficiency and power.\u003c\/p\u003e\n\n\u003cp align=\"justify\"\u003eExplore our collection of pistons and rings today and discover how upgrading these critical components can enhance your engine's performance and longevity. With ATOMIC-SHOP, you're not just upgrading your engine — you're investing in the power and reliability that will keep your vehicle at the top of its game.\u003c\/p\u003e\n","products":[{"product_id":"hks-21003-am001-piston-kit-86mm-evo-49-4g63-2-3l-stroker-kit-only","title":"HKS 21003-AM001 Piston Kit 86mm Evo 4~9 4G63 2.3L Stroker Kit Only!","description":"","brand":"HKS","offers":[{"title":"Default Title","offer_id":43654579191988,"sku":"21003-AM001","price":1937.32,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/2605\/3812\/files\/RsSvYIwV_pistons.jpg?v=1778572575"},{"product_id":"hks-21003-am002-piston-kit-85-5mm-evo-49-4g63-2-3l-stroker-kit-only","title":"HKS 21003-AM002 Piston Kit 85.5mm Evo 4~9 4G63 2.3L Stroker Kit Only!","description":"","brand":"HKS","offers":[{"title":"Default Title","offer_id":43654579486900,"sku":"21003-AM002","price":1695.16,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/2605\/3812\/files\/wExSga7y_pistons.jpg?v=1778572575"},{"product_id":"hks-2103-rm006-piston-kit-4g63-forged-85-5mm-evo-4-5-6-7-8-9","title":"HKS 2103-RM006 Piston Kit 4G63 (forged 85.5mm) EVO 4\/5\/6\/7\/8\/9","description":"","brand":"HKS","offers":[{"title":"Default Title","offer_id":43654579552436,"sku":"2103-RM006","price":1452.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/2605\/3812\/files\/B2M1VPIg_2103-rm006.jpg?v=1778572625"},{"product_id":"hks-21003-an003-piston-kit-out-of-step2-2-8l-kit-21004-an004","title":"HKS 21003-AN003 Piston Kit Out of Step2 2.8L Kit 21004-AN004","description":"","brand":"HKS","offers":[{"title":"Default Title","offer_id":43654590103732,"sku":"21003-AN003","price":2276.35,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/2605\/3812\/files\/image-coming-soon_49c17416-6b3c-42d3-be36-00fa875c02dc.png?v=1741009875"},{"product_id":"hks-2103-rn019-piston-kit-step-2-rb26-86mm-not-for-stroker-kits","title":"HKS 2103-RN019 Piston Kit Step 2 RB26 86mm (not for stroker kits)","description":"","brand":"HKS","offers":[{"title":"Default Title","offer_id":43654589808820,"sku":"2103-RN019","price":2034.19,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/2605\/3812\/files\/mwFhYFM4_vq35_s_f78a5bcf-e580-4acc-aa0d-f232d9b83937.jpg?v=1741009635"},{"product_id":"hks-21003-af001-piston-kit-for-2-2-stroker-kit-92-5mm","title":"HKS 21003-AF001 Piston Kit for 2.2 Stroker Kit (92.5mm)","description":"","brand":"HKS","offers":[{"title":"Default Title","offer_id":43654589022388,"sku":"21003-AF001","price":1792.02,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/2605\/3812\/files\/1Bq8CHPS_pistons.jpg?v=1778572576"},{"product_id":"hks-2103-rn024-piston-kit-sr20-det-86mm","title":"HKS 2103-RN024 Piston Kit SR20 DET 86mm","description":"","brand":"HKS","offers":[{"title":"Default Title","offer_id":43654588760244,"sku":"2103-RN024","price":1307.69,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/2605\/3812\/files\/lMDZpwuZ_pistons.jpg?v=1778572629"},{"product_id":"hks-2103-rn025-piston-kit-sr20det-87mm","title":"HKS 2103-RN025 Piston Kit SR20DET 87mm","description":"","brand":"HKS","offers":[{"title":"Default Title","offer_id":43654589743284,"sku":"2103-RN025","price":1307.69,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/2605\/3812\/files\/G9X6ofq2_pistons.jpg?v=1778572629"},{"product_id":"hks-21003-am004-piston-kit-86-5mm-evo-x-4b11-2-2l-stroker-kit-only","title":"HKS 21003-AM004 Piston Kit 86.5mm Evo X 4B11 2.2L Stroker Kit Only!","description":"","brand":"HKS","offers":[{"title":"Default Title","offer_id":43654599114932,"sku":"21003-AM004","price":1452.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/2605\/3812\/files\/ohiB1BjD_21004-am003_700.jpg?v=1741009877"},{"product_id":"hks-21004-an017-pistons-95-5mm-h-beam-rod-set-step2-vr38dett","title":"HKS 21004-AN017 Pistons (95.5mm) \u0026 H-Beam Rod Set (STEP2) VR38DETT","description":"\u003cp\u003e\u003cstrong\u003ePOINT-1 Parts for Higher Engine Output\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eFactory replacement type piston \u0026amp; connecting rods kit with the standard bore size.\u003c\/li\u003e \u003cli\u003eTo avoid piston land breakage, HKS pistons are made with forged material instead of casting like the factory pistons. The shape of STEP2 is the same as STEP1.\u003c\/li\u003e \u003cli\u003eIt's recommended to use with other items of the GT800 Package.\u003c\/li\u003e \u003cli\u003eIn-house test at 900PS confirmed the durability and safety.\u003c\/li\u003e \u003cli\u003eThe setting range is widened by reducing the compression rate from 9.0 factory ratio to 8.7. This is effective to increase the engine output using the aluminum block specs and\/or bigger cylinder bore.\u003c\/li\u003e \u003cli\u003eSTEP2 piston's recess is 1mm deeper than a stock to best use with the STEP2 camshaft.\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003ePOINT-2 Factory Replacement Type\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eThe weight of the connecting rod is the same as the factory since the affect of the V6 engine's peculiar vibration should be considered.\u003c\/li\u003e \u003cli\u003eThe piston is light-weighted to approximately 25g.\u003c\/li\u003e \u003cli\u003eThe weight is optimized to install to the factory crankshaft so it is not necessary to use a dummy weight to balance.\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003ePOINT-3 Higher Reliability by In-house Design \u0026amp; Production\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eThe best 3D profile for this piston was selected after various profile tests. The forged material exclusively for HKS was used.\u003c\/li\u003e \u003cli\u003eWith the results of in-house analysis on the factory connecting rod, the durability is improved by approx 46% maintaining the balance.\u003c\/li\u003e \u003cli\u003eAll parts are MADE IN JAPAN.\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e \u003c\/p\u003e \u003cp\u003eRecess of STEP2 Piston is deeper than the STEP1.\u003cbr\u003e However, the recess of the STEP1 piston has been changed to the same depth of the STEP2 as of the production on March 11, 2011.\u003cbr\u003e All stock of the STEP1 on April 15 includes pistons with deeper recess.\u003c\/p\u003e \u003ctable border=\"1\" cellpadding=\"10\" cellspacing=\"0\"\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd\u003e \u003c\/td\u003e \u003ctd\u003eBefore\u003c\/td\u003e \u003ctd\u003eAfter\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eMark on piston's back\u003c\/td\u003e \u003ctd\u003e[1] \u0026amp; [2]\u003c\/td\u003e \u003ctd\u003e[３] or later\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eLabel on package\u003c\/td\u003e \u003ctd\u003ebefore 090311\u003c\/td\u003e \u003ctd\u003eafter 090311 (D.M.Y.)\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e ","brand":"HKS","offers":[{"title":"Default Title","offer_id":43654603178164,"sku":"21004-AN017","price":5545.58,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/2605\/3812\/files\/15834_KgdK_steel-piston-rod.jpg?v=1778572587"},{"product_id":"hks-21003-an009-piston-set-nissan-gt-r-r35-vr38-95-5mm","title":"HKS 21003-AN009 Piston set NISSAN GT-R R35 VR38 95.5mm","description":"","brand":"HKS","offers":[{"title":"Default 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Title","offer_id":43654630801588,"sku":"21003-AN008","price":1307.69,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/2605\/3812\/files\/image-coming-soon_d2d3a561-865b-4b62-82ab-4e6190a990e9.png?v=1778572577"},{"product_id":"hks-21003-at003-piston-kit-fa20-only-for-2-1l-kit","title":"HKS 21003-AT003 Piston Kit FA20 (Only for 2.1L kit)","description":"","brand":"HKS","offers":[{"title":"Default Title","offer_id":43654633816244,"sku":"21003-AT003","price":1307.69,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/2605\/3812\/files\/image-coming-soon_e103b803-4832-4d5c-9cda-1c68f32a5723.png?v=1778572590"},{"product_id":"hks-21003-an007-piston-pin-set-for-rb26dett-2-8l-step-0-1-87-0mm","title":"HKS 21003-AN007 Piston Pin Set for RB26DETT 2.8L Step 0\/1 87.0mm","description":"\u003cp\u003eProduct: Capacity Upgrade Kit RB26DETT 2.8L Step Zero-1 - Ø87.0 Forged Piston Kit\u003cbr\u003e Part Num: 21003-AN007\u003cbr\u003e \u003cbr\u003e SPECIFICATIONS:\u003cbr\u003e Included:\u003cbr\u003e - HKS Forged Pistons Kit\u003cbr\u003e - Rings and Pins\u003cbr\u003e Piston Type: Forged Short Height\u003cbr\u003e Piston Bore (mm): Ø87.0\u003cbr\u003e Pin Bore (mm): Ø21.0\u003cbr\u003e Displacement (cc): 2771\u003cbr\u003e HKS RECOMMENDATIONS:\u003cbr\u003e Step ZERO:\u003cbr\u003e - Target RPM: 8000rpm\u003cbr\u003e - Target Turbine: Stock\/GT-SS\u003cbr\u003e - Target Power: 404kw (550ps)\u003cbr\u003e \u003cbr\u003e Step 1:\u003cbr\u003e - Target RPM: 8500rpm\u003cbr\u003e - Target Turbine: GT2530KAI\u003cbr\u003e - Target Power: 441kw (600ps)\u003cbr\u003e \u003cbr\u003e Step 2:\u003cbr\u003e - Target RPM: 9000rpm\u003cbr\u003e - Target Turbine: GT-RS\/TO4A\/T51R\u003cbr\u003e - Target Power: 588kw (800ps)\u003cbr\u003e \u003cbr\u003e - \"STEP ZERO\" is recommended for stock or GT-SS turbine as more power cannot be output at more than 8,000rpm and STEP ZERO has the best response.\u003cbr\u003e - Since power output range of GT2530KAI is shifted to higher rpm than GT-SS, in order to have wider power output range, \"STEP1\", which maximum rpm is 8500rpm is recommended. If budget allows, \"STEP2\" is recommended for better response.\u003cbr\u003e - Since power output range of GT-RS Twin, T04Z and T51R KAI are shifted to higher rpm than GT2530KAI, in order to have wider power output range, \"STEP2\", which maximum rpm is 9000rpm is recommended.\u003cbr\u003e \u003cbr\u003e PRODUCT NOTES:\u003cbr\u003e - Boring, Honing machining: Required\u003cbr\u003e - Full flow modification: Not Required\u003cbr\u003e \u003cbr\u003e COMPATIBILITY NOTES:\u003cbr\u003e - For Capacity Upgrade Kit RB26DETT 2.8L Step ZERO and Step \u003c\/p\u003e ","brand":"HKS","offers":[{"title":"Default Title","offer_id":43654759448756,"sku":"21003-AN007","price":1792.02,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/2605\/3812\/files\/HKS-Logo11_44f464f0-f221-4362-ac37-8bf7bf7b767e.jpg?v=1778572579"},{"product_id":"hks-21003-an013-forged-piston-kit-step-2-bcd-d86-5-for-nissan-sklyline-gt-r-r32-r33-r34-rb26-2-8l","title":"HKS 21003-AN013 Forged Piston Kit STEP-2 BCD (d=86.5) for NISSAN Sklyline GT-R (R32\/R33\/R34) RB26 2.8L","description":"\u003cp\u003eLow-friction double layer coated OEM replacement piston kit redesigned to achieve lighter weight and durability.\u003c\/p\u003e\u003ch3\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eHigh Strength\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAdapting bridge Structure for improved structural rigidity.\u003c\/li\u003e\n\u003cli\u003eMade of highly heat-resistant \u0026amp; durable A2628 alloy.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eUltra-light weight (piston : 352g \/ piston pins : 97g)\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eOptimized profile for shorter skirt height and narrower skirt width to reduce weight.\u003c\/li\u003e\n\u003cli\u003eThe shortened piston pin makes pin boss lighter.\u003c\/li\u003e\n\u003cli\u003eMachined to reduce excess thickness parts to achieve ultra lightweight.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eLow friction\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDouble-layer moly and PTFE coating to reduce friction.\u003c\/li\u003e\n\u003cli\u003eReducing the axial load by offsetting piston pin.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eDouble-layer coated. The outer layer is a moly coating effective for sliding under high loads. The inner layer is a PTFE coating effective for sliding under high rotation.\u003c\/p\u003e\u003cp\u003eNew design bridge structure made from forged materials\u003c\/p\u003e\u003cp\u003eLightweight short piston pins\u003c\/p\u003e\u003cp\u003eThe number of oil jets on the intake side, where the major thrust loads are applied, has been reduced to one to ensure smooth oil lubrication between the cylinder wall and the piston skirt.\u003c\/p\u003e\u003cp\u003eLighter weight by eliminating excess thickness around the pin boss area\u003c\/p\u003e\u003cp\u003ePiston skirts under lightening process for lightweight without losing strength.\u003c\/p\u003e\u003cp\u003eOil from the oil jet is directed to the center of the piston for cooling. Oil from the oil ring is directed to the piston pin for lubrication.\u003c\/p\u003e\u003ch4\u003eSpecifications\u003c\/h4\u003e\u003ctable border=\"1\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eHKS φ86.5\u003c\/td\u003e\n\u003ctd\u003eStock\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBore\u003c\/td\u003e\n\u003ctd\u003e86.5mm\u003c\/td\u003e\n\u003ctd\u003e86.0mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStroke\u003c\/td\u003e\n\u003ctd\u003e73.7mm\u003c\/td\u003e\n\u003ctd\u003e73.7mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eComp. ratio (t=1.2)\u003c\/td\u003e\n\u003ctd\u003e8.7\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum RPM\u003c\/td\u003e\n\u003ctd\u003e8,000rpm\u003cbr\u003e(8000rpm)*\u003c\/td\u003e\n\u003ctd\u003e7,600rpm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e352g\u003c\/td\u003e\n\u003ctd\u003e380g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisplacement\u003c\/td\u003e\n\u003ctd\u003e2,599cc\u003c\/td\u003e\n\u003ctd\u003e2,568cc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e*When used with 22001-AN001\/VALVE SPG RB26DETT STEP2 and STEP2 Camshafts.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSize: φ86.5 - 21\u003c\/li\u003e\n\u003cli\u003eBoring Honing modification: Required\u003c\/li\u003e\n\u003cli\u003eFull flow modification: Not required\u003c\/li\u003e\n\u003cli\u003eCompression Ratio: GK t=1.2 ε=8.7\u003c\/li\u003e\n\u003cli\u003eRemarks: OEM replacement. Compatible with STEP2 camshaft. Double-layer coated piston pin D21-L56\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HKS","offers":[{"title":"Default Title","offer_id":43655102103732,"sku":"21003-AN013","price":2397.43,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/2605\/3812\/files\/21003-AN006_1.jpg?v=1778572580"},{"product_id":"hks-21003-an014-piston-kit-step-2-bcd-d87-for-nissan-sklyline-gt-r-r32-r33-r34-rb26-2-8l","title":"HKS 21003-AN014 Piston Kit STEP-2 BCD (d=87) for NISSAN Sklyline GT-R (R32\/R33\/R34) RB26 2.8L","description":"\u003ch4\u003eBCD Piston is one of the strutted Pistons\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eAdapting BCD Structure for improved structural rigidity.\u003c\/li\u003e\n\u003cli\u003eMade of highly heat-resistant \u0026amp; durable A2618 alloy.\u003c\/li\u003e\n\u003cli\u003eOptimized profile for shorter skirt height and narrower skirt width to reduce weight.\u003c\/li\u003e\n\u003cli\u003eThe shortened piston pin makes pin boss lighter.\u003c\/li\u003e\n\u003cli\u003eMachined to reduce excess thickness parts to achieve ultra lightweight.\u003c\/li\u003e\n\u003cli\u003eTwo-layer fluoropolymer and molybdenum coating for reduced friction\u003c\/li\u003e\n\u003cli\u003eThe outer layer is a molybdenum coating effective for sliding under high loads.\u003c\/li\u003e\n\u003cli\u003eThe inner layer is coated with fluorine plastic for effective sliding at high RPM.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eDouble-layer coating reduces friction. Lightweight and highly rigid piston kit with *bridge construction.\u003c\/p\u003e\u003cp\u003eNewly produced forged materials with BCD structure.\u003c\/p\u003e\u003cp\u003eShorter piston pins to reduce weight.\u003c\/p\u003e\u003cp\u003eAdditional nickel-plated version for RB28 STEP2\u003c\/p\u003e\u003cp\u003eSkirt section walled-out to reduce weight and optimize rigidity.\u003c\/p\u003e\u003cp\u003eOil from the oil jet is directed to the center of the piston for cooling. Oil from the oil ring is directed to the piston pin for lubrication.\u003c\/p\u003e\u003ch4\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/h4\u003e\u003ctable border=\"1\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e \u003c\/td\u003e\n\u003ctd\u003eHKS 2.8L KIT\u003c\/td\u003e\n\u003ctd\u003eStock\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBore\u003c\/td\u003e\n\u003ctd\u003e87.0mm\u003c\/td\u003e\n\u003ctd\u003e86.0mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStroke\u003c\/td\u003e\n\u003ctd\u003e77.7mm\u003c\/td\u003e\n\u003ctd\u003e73.7mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompression Ration (t=1.2)\u003c\/td\u003e\n\u003ctd\u003e8.7\u003c\/td\u003e\n\u003ctd\u003e-\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax RPM\u003c\/td\u003e\n\u003ctd\u003e9,000rpm\u003c\/td\u003e\n\u003ctd\u003e7,600rpm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisplacement\u003c\/td\u003e\n\u003ctd\u003e2,771cc\u003c\/td\u003e\n\u003ctd\u003e2,568cc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003eBCD = A bridge design is a truss structure that is employed at the back of the piston to enhance the rigidity of the piston.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCapacity (ml): 2,771\u003c\/li\u003e\n\u003cli\u003eType: φ87 - 21\u003c\/li\u003e\n\u003cli\u003eBoring?Horning modification: required\u003c\/li\u003e\n\u003cli\u003eFull flow modification: Not Required\u003c\/li\u003e\n\u003cli\u003eRemarks: Forged, 2-layer molybdenum-coated Nickel plated\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HKS","offers":[{"title":"Default Title","offer_id":43655099646132,"sku":"21003-AN014","price":2700.15,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/2605\/3812\/files\/hks-21004-an022-1_1.jpg?v=1778572581"},{"product_id":"hks-21003-an006-forged-piston-kit-step-zero-for-nissan-sklyline-gt-r-r32-r33-r34-rb26-2-8l","title":"HKS 21003-AN006 Forged Piston Kit STEP ZERO for NISSAN Sklyline GT-R (R32\/R33\/R34) RB26 2.8L","description":"\u003cp\u003eForged Short Height Piston (2.8L kit) + Rings + Pins\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCapacity (ml): 2739\u003c\/li\u003e\n\u003cli\u003eType: φ86.5 - φ21\u003c\/li\u003e\n\u003cli\u003eBoring Honing modification: Required\u003c\/li\u003e\n\u003cli\u003eFull flow modification: Not required\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HKS","offers":[{"title":"Default Title","offer_id":43655101186228,"sku":"21003-AN006","price":1792.02,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/2605\/3812\/files\/21003-AN006.jpg?v=1778572579"},{"product_id":"hks-21005-ak002-piston-pin-set-4cy-2-for-4g63-3s-gte","title":"HKS 21005-AK002 Piston Pin Set 4CY-2 for 4G63, 3S-GTE","description":"\u003cp\u003ePiston Ring Set and Piston Pin Set are available as spare parts for overhaul.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eEngine: 3S-GTE, Type: φ87\/2103-RT029(2.0L)\u003c\/li\u003e\n\u003cli\u003eEngine: 3S-GTE, Type: φ87\/2103-RT032(2.2L)\u003c\/li\u003e\n\u003cli\u003eEngine: 4G63, Type: φ85.5\/2103-RM005(2.0L)\u003c\/li\u003e\n\u003cli\u003eEngine: 4G63, Type: φ85.5\/2103-RM006(2.0L Ni)\u003c\/li\u003e\n\u003cli\u003eEngine: 4G63, Type: φ85.5\/21003-AM002(2.3L)\u003c\/li\u003e\n\u003cli\u003eEngine: 4G63, Type: φ86\/21003-AM001(2.3L)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HKS","offers":[{"title":"Default Title","offer_id":43655103054004,"sku":"21005-AK002","price":111.4,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/2605\/3812\/files\/21005-AK001-1_1.jpg?v=1778572615"},{"product_id":"hks-21003-at005-forged-piston-kit-low-comp-d86-5-for-fa20-2-2l","title":"HKS 21003-AT005 Forged Piston Kit LOW-COMP (d=86.5) for FA20 2.2L","description":"\u003cp\u003eFORGED PISTON + PISTON PIN + PISTON RING\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eForged material improves durability.\u003c\/li\u003e\n\u003cli\u003eThe cavity is designed in piston crown to optimize the atomization of fuel during injection.\u003c\/li\u003e\n\u003cli\u003e3D Piston crown design to optimize tumble flow.\u003c\/li\u003e\n\u003cli\u003eThe piston is recessed to match high lift HKS camshafts.\u003c\/li\u003e\n\u003cli\u003eThe compression ratio range is widened depending on the gasket's specification.\u003c\/li\u003e\n\u003cli\u003eIt improves the anti-seize performance and makes it possible for low friction by employing the double-layer molybdenum coating.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eHigh boost tuning in the era of direct injection engines!\u003c\/p\u003e\u003cp\u003eThe capacity Upgrade kit FA20 2.2L (low comp) that has a piston of a 0.5 mm larger diameter is newly added.\u003cbr\u003eUpgrading with forced induction is very common for the FA20 engine tuning.\u003cbr\u003eHKS has developed a highly durable low compression piston required to move onto the next tuning level.\u003c\/p\u003e","brand":"HKS","offers":[{"title":"Default Title","offer_id":43655100268724,"sku":"21003-AT005","price":1670.94,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/2605\/3812\/files\/hks-21003-at005.jpg?v=1778572595"},{"product_id":"hks-21004-an012-piston-d87-0-and-crankshaft-kit-step-zero-for-nissan-sklyline-gt-r-r32-r33-r34-rb26-2-8l","title":"HKS 21004-AN012 Piston (d=87.0) and Crankshaft Kit STEP ZERO for NISSAN Sklyline GT-R (R32\/R33\/R34) RB26 2.8L","description":"\u003cp\u003eForged piston 87.0mm + Full counterweighted crankshaft. Compatible with stock con'rod. Recommended for Overhaul.\u003c\/p\u003e\u003cp\u003eSelect appropriate HKS 2.8L Kit from 3 types of the vehicle specification.\u003c\/p\u003e\u003cp\u003e(Target Spec of each STEP.)\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e \u003c\/th\u003e\n\u003cth\u003eTarget RPM\u003c\/th\u003e\n\u003cth\u003eTarget Turbine\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSTEP ZERO\u003c\/td\u003e\n\u003ctd\u003e8000rpm\u003c\/td\u003e\n\u003ctd\u003eStcok\/GTIII-SS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSTEP1\u003c\/td\u003e\n\u003ctd\u003e8500rpm\u003c\/td\u003e\n\u003ctd\u003eGTIII-RS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSTEP2\u003c\/td\u003e\n\u003ctd\u003e9000rpm\u003c\/td\u003e\n\u003ctd\u003eGTIII-RS\/GTIII-4R\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e \u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\"STEP ZERO\" is recommended for stock or GTIII-SS turbine as more power cannot be output at more than 8,000rpm, and STEP ZERO has the best response.\u003c\/li\u003e\n\u003cli\u003eSince the power output range of GTIII-RS is shifted to higher rpm than GTIII-SS, in order to have wider power output range, \"STEP1\" that has maximum rpm of 8500rpm is recommended. If budget allows, \"STEP2\" is recommended for better response.\u003c\/li\u003e\n\u003cli\u003eFor a turbine which power band shifts to a high speed range like GTIII-4R, to secure a wide power band range, \"STEP2\" is recommended since the engine can run up to 9000rpm with STEP 2.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HKS","offers":[{"title":"Default Title","offer_id":43655101448372,"sku":"21004-AN012","price":5146.01,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/2605\/3812\/files\/piston-kit_2.jpg?v=1778572597"},{"product_id":"hks-21005-ak010-reinforced-piston-pin-set-for-rb28-step-3","title":"HKS 21005-AK010 Reinforced Piston Pin Set for RB28 STEP-3","description":"\u003ch2\u003eDescription HKS 21005-AK010 Reinforced Piston Pin Set for RB28 STEP-3\u003c\/h2\u003e \u003cp\u003eThis heavy-duty piston pin is developed for RB28 STEP 3 piston kits and high-output engine builds. Compared to the standard RB28 STEP 3 configuration, the inner diameter of the piston pin is reduced from Ø14 mm to Ø11 mm, resulting in a 26% increase in cross-sectional area. This design improves strength and load resistance under extreme combustion pressures.\u003c\/p\u003e \u003cp\u003eThe reinforced construction makes this piston pin suitable for high-power applications exceeding 900 PS, including demanding drag racing environments where durability and reliability are critical.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eReduced inner diameter from Ø14 mm to Ø11 mm for increased strength\u003c\/li\u003e \u003cli\u003e26% increase in cross-sectional area compared to standard RB28 STEP 3\u003c\/li\u003e \u003cli\u003eHeavy-duty specification for extreme engine loads\u003c\/li\u003e \u003cli\u003eDesigned for high-power applications over 900 PS\u003c\/li\u003e \u003cli\u003eSuitable for drag racing use\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eSpecifications:\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eOuter Diameter: 22 mm\u003c\/li\u003e \u003cli\u003eInner Diameter: 11 mm\u003c\/li\u003e \u003cli\u003eFull Length: 56 mm\u003c\/li\u003e \u003cli\u003eWeight: 122 g\u003c\/li\u003e \u003c\/ul\u003e ","brand":"HKS","offers":[{"title":"Default Title","offer_id":43655103283380,"sku":"21005-AK010","price":167.1,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/2605\/3812\/files\/hks-21005-ak010.jpg?v=1766757880"},{"product_id":"hks-21004-at005-piston-full-kit-low-comp-step-1-d86-5-for-fa20-2-2l","title":"HKS 21004-AT005 Piston Full Kit LOW-COMP STEP-1 d=86.5 for FA20 2.2L","description":"\u003cul\u003e\n\u003cli\u003eForged material improves durability.\u003c\/li\u003e\n\u003cli\u003eThe cavity is designed in piston crown to optimize the atomization of fuel during injection.\u003c\/li\u003e\n\u003cli\u003e3D Piston crown design to optimize tumble flow.\u003c\/li\u003e\n\u003cli\u003eThe piston is recessed to match high lift HKS camshafts.\u003c\/li\u003e\n\u003cli\u003eThe compression ratio range is widened depending on the gasket's specification.\u003c\/li\u003e\n\u003cli\u003eIt improves the anti-seize performance and makes it possible for low friction by employing the double-layer molybdenum coating.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HKS","offers":[{"title":"Default Title","offer_id":43655100432564,"sku":"21004-AT005","price":4964.38,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/2605\/3812\/files\/hks-21003-at005_1.jpg?v=1778572613"},{"product_id":"hks-21004-at006-piston-full-kit-low-comp-step-2-d86-5-for-fa20-2-2l","title":"HKS 21004-AT006 Piston Full Kit LOW-COMP STEP-2 d=86.5 for FA20 2.2L","description":"\u003cul\u003e\n\u003cli\u003eForged material improves durability.\u003c\/li\u003e\n\u003cli\u003eThe cavity is designed in piston crown to optimize the atomization of fuel during injection.\u003c\/li\u003e\n\u003cli\u003e3D Piston crown design to optimize tumble flow.\u003c\/li\u003e\n\u003cli\u003eThe piston is recessed to match high lift HKS camshafts.\u003c\/li\u003e\n\u003cli\u003eThe compression ratio range is widened depending on the gasket's specification.\u003c\/li\u003e\n\u003cli\u003eIt improves the anti-seize performance and makes it possible for low friction by employing the double-layer molybdenum coating.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HKS","offers":[{"title":"Default Title","offer_id":43655101710516,"sku":"21004-AT006","price":6538.46,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/2605\/3812\/files\/hks-21003-at005_2.jpg?v=1778572614"},{"product_id":"hks-21005-ak006-piston-pin-set-6cy-2-for-2jz-gte","title":"HKS 21005-AK006 Piston Pin Set 6CY-2 for 2JZ-GTE","description":"\u003cp\u003ePiston Ring Set and Piston Pin Set are available as spare parts for overhaul.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eEngine:\u003c\/strong\u003e 2JZ-GTE\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eType:\u003c\/strong\u003e φ87\/2103-RT028(3.0L), φ87\/21003-AT002(3.0L VVT-i), φ87\/21003-AT001(3.4L);\u003c\/p\u003e","brand":"HKS","offers":[{"title":"Default Title","offer_id":43655100694708,"sku":"21005-AK006","price":167.1,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/2605\/3812\/files\/hks-21005-ak006.jpg?v=1778572616"},{"product_id":"hks-21005-ak005-piston-pin-set-6cy-1-for-rb26dett","title":"HKS 21005-AK005 Piston Pin Set 6CY-1 for RB26DETT","description":"\u003cp\u003ePiston Ring Set and Piston Pin Set are available as spare parts for overhaul.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eEngine:\u003c\/strong\u003e RB26DETT\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eType:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eφ86\/2103-RN019(2.6L STEP2 Ni)\u003c\/li\u003e\n\u003cli\u003eφ86\/2103-RN020(2.6L STEP2)\u003c\/li\u003e\n\u003cli\u003eφ87\/2103-RN021(2.6L STEP2)\u003c\/li\u003e\n\u003cli\u003eφ87\/2103-RN017(2.6L STEP2 Ni)\u003c\/li\u003e\n\u003cli\u003eφ88\/2103-RN013(2.6L STEP2)\u003c\/li\u003e\n\u003cli\u003eφ86.5\/21003-AN006(2.8L STEP ZERO\/STEP1)\u003c\/li\u003e\n\u003cli\u003eφ87\/21003-AN007(2.8L STEP ZERO\/STEP1)\u003c\/li\u003e\n\u003cli\u003eφ87\/21003-AN002(2.8L STEP1)\u003c\/li\u003e\n\u003cli\u003eφ87\/21003-AN003(2.8L STEP2 Ni)\u003c\/li\u003e\n\u003cli\u003eφ87\/2103-RN018(2.6L STEP3 Ni)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HKS","offers":[{"title":"Default Title","offer_id":43655100629172,"sku":"21005-AK005","price":167.1,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/2605\/3812\/files\/hks-21005-ak005.jpg?v=1778572615"},{"product_id":"hks-21005-ak008-piston-pin-set-step-3-d22-l56-for-rb26dett","title":"HKS 21005-AK008 Piston Pin Set STEP-3 (d=22, L=56) for RB26DETT","description":"Lightweight pin enlarged to ?22 to cope with high combustion pressure","brand":"HKS","offers":[{"title":"Default Title","offer_id":43655101907124,"sku":"21005-AK008","price":167.1,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/2605\/3812\/files\/23004-AN007-1.jpg?v=1778572617"},{"product_id":"hks-21005-an011-piston-ring-set-for-rb26dett","title":"HKS 21005-AN011 Piston Ring Set for RB26DETT","description":"\u003cp\u003ePiston Ring Set and Piston Pin Set are available as spare parts for overhaul.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eEngine:\u003c\/strong\u003e RB26DETT\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eType:\u003c\/strong\u003e φ87\/2103-RN016(2.8L STEP3 Ni)\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eRemarks:\u003c\/strong\u003e Ti Coating 2-piece oil ring.\u003c\/p\u003e","brand":"HKS","offers":[{"title":"Default Title","offer_id":43655100825780,"sku":"21005-AN011","price":1017.09,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/2605\/3812\/files\/hks-21005-an011_3cabf2b3-6512-454d-8d2b-2440de9f90f9.jpg?v=1778572913"},{"product_id":"hks-21003-an012-piston-kit-step-3-d87-for-nissan-sklyline-gt-r-r32-r33-r34-rb26-2-8l","title":"HKS 21003-AN012 Piston Kit STEP-3 (d=87) for NISSAN Sklyline GT-R (R32\/R33\/R34) RB26 2.8L","description":"\u003cp\u003ePiston weight:324g\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMade from highly heat-resistant A2628 alloy\u003c\/li\u003e\n\u003cli\u003eMachined for the ultimate lightweight\u003c\/li\u003e\n\u003cli\u003eBridge Structure for improved strength\u003c\/li\u003e\n\u003cli\u003eDouble-layer MOLYBDEN coating reduce friction and improve initial fit-in\u003c\/li\u003e\n\u003cli\u003eShorter piston pins decrease weight of bore\u003c\/li\u003e\n\u003cli\u003eφ22 piston pins increase flexural rigidity\u003c\/li\u003e\n\u003cli\u003eWeight is same as previous φ21 piston pins\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eRemarks: 21005-AT002 Piston Rings for repair\u003c\/p\u003e","brand":"HKS","offers":[{"title":"Default Title","offer_id":43655102038196,"sku":"21003-AN012","price":4601.14,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/2605\/3812\/files\/hks-21004-an021-1_1.jpg?v=1778572580"},{"product_id":"hks-21005-ak001-piston-pin-set-4cy-1-for-fa20-sr20det","title":"HKS 21005-AK001 Piston Pin Set 4CY-1 for FA20, SR20DET","description":"\u003cp\u003ePiston Ring Set and Piston Pin Set are available as spare parts for overhaul.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eEngine: FA20, Type: ?86\/21003-AT003,AT004 (For 2.1L Capacity Upgrade Kit)\u003c\/li\u003e\n\u003cli\u003eEngine: FA20, Type: ?86.5\/For 2.2L Short Engine(45th limited model)\u003c\/li\u003e\n\u003cli\u003eEngine: SR20DET, Type: ?86\/2103-RN024(2.0L Ni) \u003c\/li\u003e\n\u003cli\u003eEngine: SR20DET, Type: ?87\/2103-RN025(2.0L Ni) \u003c\/li\u003e\n\u003cli\u003eEngine: SR20DET, Type: ?86.5\/21003-AN008(2.2L) \u003c\/li\u003e\n\u003cli\u003eEngine: SR20DET, Type: ?87\/21003-AN001(2.2L)\u003c\/li\u003e\n\u003cli\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"HKS","offers":[{"title":"Default Title","offer_id":43655102857396,"sku":"21005-AK001","price":111.4,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/2605\/3812\/files\/21005-AK001-1.jpg?v=1778572615"},{"product_id":"hks-21005-ak009-piston-pin-set-step-2-d21-l56-for-rb26dett","title":"HKS 21005-AK009 Piston Pin Set STEP-2 (d=21, L=56) for RB26DETT","description":"Piston Pin weight: 97g","brand":"HKS","offers":[{"title":"Default Title","offer_id":43655103021236,"sku":"21005-AK009","price":167.1,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/2605\/3812\/files\/21005-AK009-1.jpg?v=1778572617"},{"product_id":"hks-21003-an015-bcd-piston-kit-rb26-2-8l-dia-86-5-step2-for-nissan-skyline-gt-r-r32-r33-r34","title":"HKS 21003-AN015 BCD Piston Kit RB26 2.8L dia. 86.5 STEP2 for NISSAN Skyline GT-R (R32\/R33\/R34)","description":"\u003cp\u003e\u003cstrong\u003ePiston Kit\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eIt achieves a thin wall by employing the A2618 alloy, which is resistant to high temperatures.\u003c\/li\u003e \u003cli\u003eWe have increased rigidity structurally by adopting a bridge structure.\u003c\/li\u003e \u003cli\u003eProfile optimization has shortened the Piston skirt height and reduced weight.\u003c\/li\u003e \u003cli\u003eShort piston pit with the lightweight boss part.\u003c\/li\u003e \u003cli\u003eFriction is reduced with a two-layer coating of fluorocarbon resin and molybdenum.\u003c\/li\u003e \u003c\/ul\u003e ","brand":"HKS","offers":[{"title":"Default Title","offer_id":43655104495796,"sku":"21003-AN015","price":2700.15,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/2605\/3812\/files\/hks-21004-an023-1.png?v=1778572582"}],"url":"https:\/\/atomic-shop.eu\/collections\/pistons-rings.oembed?page=363","provider":"ATOMIC-SHOP Performance Parts \u0026 Motorsport Equipment - EU","version":"1.0","type":"link"}