{"product_id":"je-312983-piston-kit-3-815-in-bore-1-850-in-ch-28-90-cc-for-buick-grand-national-engine","title":"JE 312983 Piston Kit (3.815 in. Bore, 1.850 in. CH, -28.90 CC) for BUICK Grand National Engine","description":"\u003ch2\u003eDescription JE 312983 Piston Kit (3.815 in. Bore, 1.850 in. CH, -28.90 CC) for BUICK Grand National 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: GRAND NATIONAL\u003c\/li\u003e \u003cli\u003eBore Diameter: 3.815 IN\u003c\/li\u003e \u003cli\u003ePiston Head Type: Dish\u003c\/li\u003e \u003cli\u003eCompression Height: 1.850 IN\u003c\/li\u003e \u003cli\u003ePiston Volume: -28.90 CC\u003c\/li\u003e \u003cli\u003ePiston Material: 2618\u003c\/li\u003e \u003cli\u003ePiston Quantity: 6\u003c\/li\u003e \u003cli\u003eForging Type: Round\u003c\/li\u003e \u003cli\u003ePiston Average Weight: 538 GR\u003c\/li\u003e \u003cli\u003eRing Set Included: No\u003c\/li\u003e \u003cli\u003eTop Compression Ring Thickness: 1\/16 IN\u003c\/li\u003e \u003cli\u003eSecond Compression Ring Thickness: 1\/16 IN\u003c\/li\u003e \u003cli\u003eOil Ring Thickness: 3\/16 IN\u003c\/li\u003e \u003cli\u003eWrist Pin Outer Diameter: 0.940 IN\u003c\/li\u003e \u003cli\u003eWrist Pin Length: 2.750 IN\u003c\/li\u003e \u003cli\u003eWrist Pin Wall Thickness: 0.160 IN\u003c\/li\u003e \u003cli\u003eIntake Depth: .230 IN\u003c\/li\u003e \u003cli\u003eIntake Diameter: 2.450 IN\u003c\/li\u003e \u003cli\u003eIntake Angle: 15\u003c\/li\u003e \u003cli\u003eExhaust Depth: .165\u003c\/li\u003e \u003cli\u003eExhaust Diameter: 2.050\u003c\/li\u003e \u003cli\u003eExhaust Angle: 15\u003c\/li\u003e \u003cli\u003eTop Groove Width: 0.06400 IN\u003c\/li\u003e \u003cli\u003e2nd Groove Width: 0.06400 IN\u003c\/li\u003e \u003cli\u003eOil Groove Width: 0.18800 IN\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eVehicle Compatibility:\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eGrand National\u003c\/li\u003e \u003c\/ul\u003e","brand":"JE PISTONS","offers":[{"title":"Default Title","offer_id":43409525342388,"sku":"312983","price":904.11,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/2605\/3812\/files\/208537-je-pistons-312983-1_f615d836-8df5-4451-b92f-0c5b843cf2f1.jpg?v=1787842483","url":"https:\/\/atomic-shop.eu\/products\/je-312983-piston-kit-3-815-in-bore-1-850-in-ch-28-90-cc-for-buick-grand-national-engine","provider":"ATOMIC-SHOP Performance Parts \u0026 Motorsport Equipment - EU","version":"1.0","type":"link"}