{"product_id":"je-pistons-sub-sti-ej257-100mm-bore-cr-8-5-kit-set-of-4-pistons","title":"JE Pistons SUB STI EJ257 100mm Bore CR 8.5 Kit Forged Piston Set — Fits 2002-2012 Subaru Impreza WRX\/STI","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout JE Pistons\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eJE Pistons engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full JE Pistons lineup with fast shipping and expert fitment support — order with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"margin:24px 0 8px;\"\u003eWatch in action\u003c\/h3\u003e\u003cdiv style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;margin:0 0 18px;border-radius:6px;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/lvBc35osbyc\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen loading=\"lazy\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003ch2\u003eJE Pistons Forged Piston Kit for Subaru STI EJ257 (100mm Bore, CR 8.5)\u003c\/h2\u003e\n\u003cp\u003eMaximize the potential of your Subaru STI's EJ257 engine with this high-performance forged piston kit from JE Pistons. Featuring a 100mm bore and a compression ratio of 8.5:1, these pistons are precision-engineered in the USA to deliver exceptional strength and durability for demanding applications. Whether for track days or street performance, these pistons are built to endure.\u003c\/p\u003e\n\u003ch3\u003eKey Features and Benefits:\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRobust Construction:\u003c\/strong\u003e Made from premium 2618 aluminum, ensuring high tensile strength and resistance to extreme engine loads.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEngine-Specific Design:\u003c\/strong\u003e Tailored for the EJ257 engine to optimize performance and ensure a perfect fit.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFriction Reduction Technology:\u003c\/strong\u003e Utilizes JE Pistons' exclusive Forged Side Relief (FSR) design to minimize friction and parasitic power loss, while also contributing to weight savings.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWear Resistance:\u003c\/strong\u003e Includes skirt coating (application dependent) that reduces friction and wear on cylinder walls, contributing to quieter operation and extended engine life.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eImproved Sealing:\u003c\/strong\u003e Features an accumulator groove (application dependent) designed to enhance ring seal, prevent flutter, and maintain consistent power output.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComprehensive Kit:\u003c\/strong\u003e Comes complete with high-quality wrist pins, locks, and JE Pro Seal premium piston rings for a complete solution.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUSA Manufactured:\u003c\/strong\u003e Guarantees superior quality and reliability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis JE Pistons kit is the perfect choice for Subaru WRX and STI owners looking to upgrade their engine for increased power and reliability. Experience the difference that meticulous engineering makes. Find your performance advantage at GGCRACING.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;\"\u003e\n\u003ch3 style=\"margin:0 0 8px;\"\u003eVehicle Fitment\u003c\/h3\u003e\n\u003ctable style=\"border-collapse:collapse;width:100%;font-size:0.92em;\"\u003e\n\u003cthead\u003e\u003ctr style=\"background:#f0f0f0;text-align:left;\"\u003e\n\u003cth style=\"padding:6px 10px;\"\u003eYears\u003c\/th\u003e\n\u003cth style=\"padding:6px 10px;\"\u003eMake\u003c\/th\u003e\n\u003cth style=\"padding:6px 10px;\"\u003eModel\u003c\/th\u003e\n\u003cth style=\"padding:6px 10px;\"\u003eTrim\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003e2008\u003c\/td\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003eSubaru\u003c\/td\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003eForester\u003c\/td\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003eSports 2.5 XT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003e2002-2012\u003c\/td\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003eSubaru\u003c\/td\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003eImpreza\u003c\/td\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003eWRX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003e2004-2012\u003c\/td\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003eSubaru\u003c\/td\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003eImpreza\u003c\/td\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003eWRX STI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003e2006-2007\u003c\/td\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003eSubaru\u003c\/td\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003eImpreza\u003c\/td\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003eWRX Limited\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003e2006-2007\u003c\/td\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003eSubaru\u003c\/td\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003eImpreza\u003c\/td\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003eWRX TR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003e2007\u003c\/td\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003eSubaru\u003c\/td\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003eImpreza\u003c\/td\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003eWRX STI Limited\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003e2009-2012\u003c\/td\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003eSubaru\u003c\/td\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003eImpreza\u003c\/td\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003eWRX Premium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003e2010\u003c\/td\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003eSubaru\u003c\/td\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003eImpreza\u003c\/td\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003eWRX STI Special Edition\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003e2010-2012\u003c\/td\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003eSubaru\u003c\/td\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003eImpreza\u003c\/td\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003eWRX Limited\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003e2010-2011\u003c\/td\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003eSubaru\u003c\/td\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003eLegacy\u003c\/td\u003e\n\u003ctd style=\"padding:4px 10px;border-bottom:1px solid #eee;\"\u003e2.5GT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular JE Pistons products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/je-pistonspiston-ring-set-4-060\" style=\"color:#0066cc;text-decoration:none;\"\u003eJE Pistons Race Series Piston Ring Set 4.060 Bore — File Fit Plasma Moly\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/je-pistonswrist-pin-52-series-1-990-2-930-180-161-gram-1\" style=\"color:#0066cc;text-decoration:none;\"\u003eJE Pistons 52 Series Wrist Pin .990 x 2.930 — High-Strength Steel\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/je-pistons-suzuki-drz-400-inv-dome-piston-kit\" style=\"color:#0066cc;text-decoration:none;\"\u003eJE Pistons DRZ-400 INV Dome Piston Kit — Fits 2000-2016 Suzuki DR-Z400, 2003-2006 Kawasaki\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/je-pistons-vw-2-8liter-vr6-kit-set-of-6-pistons\" style=\"color:#0066cc;text-decoration:none;\"\u003eJE Pistons VW 2.8L VR6 Forged Piston Kit — Fits 1992-1999 VW Corrado Golf Jetta Passat\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/je-pistons-vw-2-8liter-vr6-kit-set-of-6-pistons-1\" style=\"color:#0066cc;text-decoration:none;\"\u003eJE Pistons VW 2.8L VR6 Forged Piston Kit — Fits 1992-1999 VW Corrado Golf Jetta Passat\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript 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Engineered for power and reliability. Get yours today at GGCRACING!\",\"brand\":{\"@type\":\"Brand\",\"name\":\"JE Pistons\"},\"mpn\":\"291062\",\"url\":\"https:\/\/ggcracing.com\/products\/je-pistons-sub-sti-ej257-100mm-bore-cr-8-5-kit-set-of-4-pistons\",\"offers\":{\"@type\":\"Offer\",\"price\":\"899.99\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/je-pistons-sub-sti-ej257-100mm-bore-cr-8-5-kit-set-of-4-pistons\",\"sku\":\"JEP291062\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ggcracing.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Parts \u0026 Accessories\",\"item\":\"https:\/\/ggcracing.com\/collections\/parts-\u0026-accessories\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"JE Pistons\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=JE+Pistons\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"JE Pistons SUB STI EJ257 100mm Bore CR 8.5 Kit Forged Piston Set \\u2014 Fits 2002-2012 Subaru Impreza WRX\/STI\",\"item\":\"https:\/\/ggcracing.com\/products\/je-pistons-sub-sti-ej257-100mm-bore-cr-8-5-kit-set-of-4-pistons\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the JE Pistons SUB STI EJ257 100mm Bore CR 8.5 Kit Forged Piston Set \\u2014 Fits 2002-201 fit my vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Compatibility depends on your exact year, make, and model. Use the fitment table above to confirm.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for JE Pistons?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the JE Pistons SUB STI EJ257 100mm Bore CR 8.5 Kit Forged Piston Set \\u2014 Fits 2002-201?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most installs are bolt-on with basic hand tools. See manufacturer documentation for torque specs and procedures.\"}}]}\u003c\/script\u003e","brand":"JE Pistons","offers":[{"title":"Default Title","offer_id":41454343159892,"sku":"JEP291062","price":899.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/dc0a484d739a19bbe8cf23f18435efd8_ae31a187-de06-457e-a514-ff5f3b7fc9fb.jpg?v=1721662984","url":"https:\/\/ggcracing.com\/en-co\/products\/je-pistons-sub-sti-ej257-100mm-bore-cr-8-5-kit-set-of-4-pistons","provider":"GGCRACING INC","version":"1.0","type":"link"}