{"product_id":"je-pistons-377959","title":"JE Pistons 377959 Lightweight Stock Car Flat Top Forged Piston Set, Small Block Chevy (4.030\" Bore)","description":"\u003cp\u003eJE Pistons 377959 is a set of 8 high-strength, lightweight asymmetrical FSR (Forged Side Relief) flat-top pistons engineered for Chevrolet Small Block stock car racing with 2 or 4-barrel applications. Forged from 2618 aluminum, they feature a 4.030\" bore, 1.250\" compression height, -3.8 cc volume, 0.927\" wrist pins, accumulator grooves, and double pin oilers for reduced friction and durability. Designed around a 3.480\" stroke and 6.000\" rods, they support compression ratios of approximately 11.3:1 (58 cc heads), 10.5:1 (64 cc), or 9.2:1 (76 cc). Wrist pins and round wire locks are included; 0.043\"\/0.043\"\/3 mm rings are not.\u003c\/p\u003e\n\u003cp\u003eThese pistons prioritize low reciprocating weight and race reliability for circle-track and similar high-performance SBC builds.\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003ePiston, Forged, Flat Top, 4.030 in Bore, 1.250 in Compression Height, 0.043 x 0.043 x 3.0 mm Ring Grooves, Minus 3.80 cc, Small Block Chevy, Set of 8\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cspan\u003eSpecifications\u003c\/span\u003e\u003c\/h4\u003e\n\u003ctable class=\"table table-responsive\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003e\n\u003cdiv\u003eJE Automotive\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003e\n\u003cdiv\u003e377959\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"tableRowStyle\"\u003e\n\u003ctd class=\"col-md-4\"\u003eBore\u003c\/td\u003e\n\u003ctd class=\"col-md-8 paddingLR0\"\u003e\n\u003cdiv\u003e4.030 in\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"tableRowStyle\"\u003e\n\u003ctd class=\"col-md-4\"\u003eStyle\u003c\/td\u003e\n\u003ctd class=\"col-md-8 paddingLR0\"\u003e\n\u003cdiv\u003eFlat Top\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"tableRowStyle\"\u003e\n\u003ctd class=\"col-md-4\"\u003eMaterial Style\u003c\/td\u003e\n\u003ctd class=\"col-md-8 paddingLR0\"\u003e\n\u003cdiv\u003eForged\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"tableRowStyle\"\u003e\n\u003ctd class=\"col-md-4\"\u003eValve Angle\u003c\/td\u003e\n\u003ctd class=\"col-md-8 paddingLR0\"\u003e\n\u003cdiv\u003e22 Degree\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"tableRowStyle\"\u003e\n\u003ctd class=\"col-md-4\"\u003eCompression Height (in)\u003c\/td\u003e\n\u003ctd class=\"col-md-8 paddingLR0\"\u003e\n\u003cdiv\u003e1.250 in\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"tableRowStyle\"\u003e\n\u003ctd class=\"col-md-4\"\u003eVolume\u003c\/td\u003e\n\u003ctd class=\"col-md-8 paddingLR0\"\u003e\n\u003cdiv\u003eMinus 3.80 cc\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"tableRowStyle\"\u003e\n\u003ctd class=\"col-md-4\"\u003eWrist Pin Included\u003c\/td\u003e\n\u003ctd class=\"col-md-8 paddingLR0\"\u003e\n\u003cdiv\u003eYes\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"tableRowStyle\"\u003e\n\u003ctd class=\"col-md-4\"\u003eWrist Pin Style\u003c\/td\u003e\n\u003ctd class=\"col-md-8 paddingLR0\"\u003e\n\u003cdiv\u003eFloating\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"tableRowStyle\"\u003e\n\u003ctd class=\"col-md-4\"\u003eWrist Pin Diameter (in)\u003c\/td\u003e\n\u003ctd class=\"col-md-8 paddingLR0\"\u003e\n\u003cdiv\u003e0.927 in\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"tableRowStyle\"\u003e\n\u003ctd class=\"col-md-4\"\u003eWrist Pin Length\u003c\/td\u003e\n\u003ctd class=\"col-md-8 paddingLR0\"\u003e\n\u003cdiv\u003e2.250 in\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"tableRowStyle\"\u003e\n\u003ctd class=\"col-md-4\"\u003eTop Ring Groove Thickness\u003c\/td\u003e\n\u003ctd class=\"col-md-8 paddingLR0\"\u003e\n\u003cdiv\u003e0.043 in\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"tableRowStyle\"\u003e\n\u003ctd class=\"col-md-4\"\u003e2nd Ring Groove Thickness\u003c\/td\u003e\n\u003ctd class=\"col-md-8 paddingLR0\"\u003e\n\u003cdiv\u003e0.043 in\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"tableRowStyle\"\u003e\n\u003ctd class=\"col-md-4\"\u003eOil Ring Groove Thickness\u003c\/td\u003e\n\u003ctd class=\"col-md-8 paddingLR0\"\u003e\n\u003cdiv\u003e3.0 mm\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"tableRowStyle\"\u003e\n\u003ctd class=\"col-md-4\"\u003eRings Included\u003c\/td\u003e\n\u003ctd class=\"col-md-8 paddingLR0\"\u003e\n\u003cdiv\u003eNo\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"tableRowStyle\"\u003e\n\u003ctd class=\"col-md-4\"\u003eMaterial\u003c\/td\u003e\n\u003ctd class=\"col-md-8 paddingLR0\"\u003e\n\u003cdiv\u003eAluminum\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"tableRowStyle\"\u003e\n\u003ctd class=\"col-md-4\"\u003eFinish\u003c\/td\u003e\n\u003ctd class=\"col-md-8 paddingLR0\"\u003e\n\u003cdiv\u003eNatural\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"tableRowStyle\"\u003e\n\u003ctd class=\"col-md-4\"\u003eQuantity\u003c\/td\u003e\n\u003ctd class=\"col-md-8 paddingLR0\"\u003e\n\u003cdiv\u003eSet of 8\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"JE Pistons","offers":[{"title":"Default Title","offer_id":67747873325123,"sku":"JEP377959","price":734.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2173\/0559\/files\/JE-Pistons-377959_1b11889b-ecfc-4a6c-bee9-447dafcb8332.webp?v=1792612154","url":"https:\/\/90racing.com\/products\/je-pistons-377959","provider":"90racing","version":"1.0","type":"link"}