{"product_id":"je-pistons-361717","title":"JE Pistons 361717 - Ultra Series GM Gen III\/IV LS 4.005in Bore\/4in Stroke Set of 8 Pistons","description":"\u003cp\u003eJE Pistons 361717 - Ultra Series GM Gen III\/IV LS 4.005in Bore\/4in Stroke Set of 8 Pistons\u003c\/p\u003e\u003cp\u003ePiston Set, 2618, Flat Top, 4.005 Bore, 1.115 CD, 0.927 Pin, Set of 8.\u003c\/p\u003e\u003cp\u003e4.005 in. Bore - 1.115 CD - (-5.00 cc) - 8 Cyl. Piston Kit\u003c\/p\u003e\u003cp\u003eUltra Series forged pistons from JE are the industry?s strongest, most fully featured pistons available off the shelf. Offered for a wide range of domestic applications from LS to Big Block and HEMI to Ford Modular, Ultra Series pistons feature JE?s proprietary Aligned Grain Flow forging technology providing next-level tensile strength ideal for the extreme cylinder pressures of power adder engine builds. Equipped with custom level features including thermal barrier crown coating, skirt coating, gas ports, and more, Ultra Series are the ideal pistons for your boost-heavy or nitrous-huffing V8 engine build. As with all JE Pistons products, Ultra Series pistons are made 100% in the USA.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDesigned for Power: Every feature on Ultra Series Pistons are optimized to perform high-horsepower racing engines\u003c\/li\u003e\n\u003cli\u003eAligned Grain Flow Technology: Exclusively available on JE Ultra Series, this proprietary, in-house forging process maximizes tensile strength to withstand the stresses of high-performance engine environments\u003c\/li\u003e\n\u003cli\u003eSkirt Coating: Reduces friction and wear on piston skirts and cylinder walls while simultaneously reducing operating noise, especially on cold start\u003c\/li\u003e\n\u003cli\u003eThermal Barrier Crown Coating: This ceramic-based coating reflects heat into the combustion chamber, therefore reducing piston crown temperatures and improving exhaust gas scavenging\u003c\/li\u003e\n\u003cli\u003eHigh-Strength Wrist Pins: Premium thick-wall wrist pins are manufactured by Trend Performance in the USA and are designed for the demands of high-performance\/power-adder builds\u003c\/li\u003e\n\u003cli\u003eLateral Gas Ports: Help maintain power-producing ring seal at the top compression ring, even in high RPM and high boost situations\u003c\/li\u003e\n\u003cli\u003eOptimized Pin Oiling: Enhanced pin oiling features keep pin, pin bores, and small-end lubricated for reduced heat, friction, and wear\u003c\/li\u003e\n\u003cli\u003eMade 100% in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eWrist Pin Included\u003c\/strong\u003e: \u003cspan\u003eYes\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eWrist Pin Part Number\u003c\/strong\u003e: \u003cspan\u003e927-2250-15-51C\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eWrist Pin Material\u003c\/strong\u003e: \u003cspan\u003e9310 Nickel Carbon Steel Alloy\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eWrist Pin Outer Diameter\u003c\/strong\u003e: \u003cspan\u003e0.927\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eWrist Pin Length\u003c\/strong\u003e: \u003cspan\u003e2.250\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eWrist Pin Wall Thickness\u003c\/strong\u003e: \u003cspan\u003e0.200\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eWrist Pin Retainer Included\u003c\/strong\u003e: \u003cspan\u003eYes\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eWrist Pin Retainer Part Number\u003c\/strong\u003e: \u003cspan\u003e927-073-MW\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eEngine Displacement\u003c\/strong\u003e: \u003cspan\u003e403\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eEngine Stroke\u003c\/strong\u003e: \u003cspan\u003e4.000\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eConnecting Rod Length\u003c\/strong\u003e: \u003cspan\u003e6.125\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eDeck Height\u003c\/strong\u003e: \u003cspan\u003e9.240\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eRing Set Thickness\u003c\/strong\u003e: \u003cspan\u003e1.20 MM x 1.50 MM x 3.00 MM\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eOversized\u003c\/strong\u003e: \u003cspan\u003eYes\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eRing Set - Recommended\u003c\/strong\u003e: \u003cspan\u003eJG3108-4000-7\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eOEM Bore Diameter\u003c\/strong\u003e: \u003cspan\u003e4.000\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003ePiston Sub-Series\u003c\/strong\u003e: \u003cspan\u003eLS Flat Top\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003ePro Seal Head Gasket\u003c\/strong\u003e: \u003cspan\u003eGM1016-051\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eEngine Family\u003c\/strong\u003e: \u003cspan\u003eLS\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eOversized Amount\u003c\/strong\u003e: \u003cspan\u003e0.005\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eCompression Ratio\u003c\/strong\u003e: \u003cspan\u003e11.60:1 \/ 64.00 CC Head\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eProduct Type\u003c\/strong\u003e: \u003cspan\u003eEngine Piston Kit\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eProduct Market\u003c\/strong\u003e: \u003cspan\u003eDomestic\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eAdd-On\u003c\/strong\u003e: \u003cspan\u003eJG3108-4000-7\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eEngine\u003c\/strong\u003e: \u003cspan\u003eLS2\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eMake\u003c\/strong\u003e: \u003cspan\u003eChevrolet\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eIndustry\u003c\/strong\u003e: \u003cspan\u003eAutomotive\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eBore Diameter - Web\u003c\/strong\u003e: \u003cspan\u003e4.005 IN\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eEngine Type\u003c\/strong\u003e: \u003cspan\u003eICE\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003ePiston Series\u003c\/strong\u003e: \u003cspan\u003eJE Ultra Series\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eCylinder Head\u003c\/strong\u003e: \u003cspan\u003eLS 12 DEG\/15 DEG COMBO VR\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eBore Diameter\u003c\/strong\u003e: \u003cspan\u003e4.005\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003ePiston Head Type\u003c\/strong\u003e: \u003cspan\u003eFlat\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eCompression Height\u003c\/strong\u003e: \u003cspan\u003e1.115\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003ePiston Volume\u003c\/strong\u003e: \u003cspan\u003e-5.00\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003ePiston Material\u003c\/strong\u003e: \u003cspan\u003e2618\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eForging Type\u003c\/strong\u003e: \u003cspan\u003eFSR\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eRing Set Included\u003c\/strong\u003e: \u003cspan\u003eNo\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eTop Compression Ring Thickness\u003c\/strong\u003e: \u003cspan\u003e0.0475\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eSecond Compression Ring Thickness\u003c\/strong\u003e: \u003cspan\u003e0.0600\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eOil Ring Thickness\u003c\/strong\u003e: \u003cspan\u003e0.149\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"JE Pistons","offers":[{"title":"Default Title","offer_id":47339788697738,"sku":"BHXG-361717","price":1395.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0706\/0619\/2778\/files\/0_jep-piston-47-035-fro_normalized_ba211706-ff9c-4e7e-bbcc-13f6485c761b.jpg?v=1776772620","url":"https:\/\/www.onlyinstock.com\/products\/je-pistons-361717","provider":"Only In Stock","version":"1.0","type":"link"}