{"product_id":"je-297184-piston-kit-86-50-mm-bore-1-291-in-ch-5-00-cc-for-bmw-s50b30-usa-engine","title":"JE 297184 Piston Kit (86.50 mm Bore, 1.291 in. CH, -5.00 CC) for BMW S50B30 USA Engine","description":"\u003ch2\u003eDescription JE 297184 Piston Kit (86.50 mm Bore, 1.291 in. CH, -5.00 CC) for BMW S50B30 USA Engine\u003c\/h2\u003e \u003cp\u003eJE Pistons applies over 75 years of experience to its range of premium forged racing pistons for European, import, and sport compact applications.\u003c\/p\u003e \u003cp\u003eEngineered, forged, and machined 100% in the USA, these pistons are Designed for each specific engine and racing application to provide durability and performance.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eForged from 4032 aluminum for tensile strength and minimal thermal expansion\u003c\/li\u003e \u003cli\u003eProprietary Forged Side Relief design minimizes friction and power loss while reducing skirt width, weight, and Wrist Pin length\u003c\/li\u003e \u003cli\u003eApplication-dependent skirt coating reduces friction, piston skirt and cylinder Wall wear, and operating noise\u003c\/li\u003e \u003cli\u003eApplication-dependent accumulator groove reduces combustion gas pressure and Piston Ring flutter while improving ring seal\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eSpecifications:\u003c\/h3\u003e \u003cul\u003e \u003cli\u003ePiston Series: JE Pistons\u003c\/li\u003e \u003cli\u003eCylinder Head: S50B30 USA\u003c\/li\u003e \u003cli\u003eBore Diameter: 86.50 MM\u003c\/li\u003e \u003cli\u003ePiston Head Type: Dish\u003c\/li\u003e \u003cli\u003eCompression Height: 1.291 IN\u003c\/li\u003e \u003cli\u003ePiston Volume: -5.00 CC\u003c\/li\u003e \u003cli\u003ePiston Material: 2618\u003c\/li\u003e \u003cli\u003ePiston Quantity: 6\u003c\/li\u003e \u003cli\u003eForging Type: FSR\u003c\/li\u003e \u003cli\u003ePiston Average Weight: 305 GR\u003c\/li\u003e \u003cli\u003eRing Set Included: Yes\u003c\/li\u003e \u003cli\u003eTop Compression Ring Thickness: 0.0400 IN\u003c\/li\u003e \u003cli\u003eSecond Compression Ring Thickness: 0.0480 IN\u003c\/li\u003e \u003cli\u003eOil Ring Thickness: 0.111 IN\u003c\/li\u003e \u003cli\u003eWrist Pin Outer Diameter: 0.866 IN\u003c\/li\u003e \u003cli\u003eWrist Pin Length: 2.250 IN\u003c\/li\u003e \u003cli\u003eWrist Pin Wall Thickness: 0.150 IN\u003c\/li\u003e \u003cli\u003eIntake Depth: .290 IN\u003c\/li\u003e \u003cli\u003eIntake Diameter: 2.400 IN\u003c\/li\u003e \u003cli\u003eIntake Angle: 26\u003c\/li\u003e \u003cli\u003eExhaust Angle: 0\u003c\/li\u003e \u003cli\u003eTop Groove Width: 0.04000 IN\u003c\/li\u003e \u003cli\u003e2nd Groove Width: 0.04800 IN\u003c\/li\u003e \u003cli\u003eOil Groove Width: 0.11100 IN\u003c\/li\u003e \u003cli\u003eProduct Type: Engine Piston Kit\u003c\/li\u003e \u003c\/ul\u003e","brand":"JE PISTONS","offers":[{"title":"Default Title","offer_id":43409342660788,"sku":"297184","price":1559.03,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/2605\/3812\/files\/15235-je-pistons-297184-1.jpg?v=1787837435","url":"https:\/\/atomic-shop.eu\/products\/je-297184-piston-kit-86-50-mm-bore-1-291-in-ch-5-00-cc-for-bmw-s50b30-usa-engine","provider":"ATOMIC-SHOP Performance Parts \u0026 Motorsport Equipment - EU","version":"1.0","type":"link"}