{"product_id":"chevy-489ci-fhr-forged-pistons-united-engine-machine-ic9951-040","title":"Chevy 489ci FHR Forged Pistons United Engine Machine IC9951.040","description":"\u003cp\u003eChevy 489ci FHR Forged Pistons feature a flat top design.\u003c\/p\u003e\u003cp\u003eThe bore measures 4.290'' (+.040'').\u003c\/p\u003e\u003cp\u003eThey are used with a 6.385'' connecting rod and a 4.250'' crank stroke.\u003c\/p\u003e\u003cp\u003eThe compression ratios are 10.2:1\/96.5cc, 9.5:1\/105cc, and 8.6:1\/119cc.\u003c\/p\u003e\u003cp\u003eTechnical specifications include premium 4032 alloy, a deck height of 9.800'', and a compression height of 1.270''.\u003c\/p\u003e\u003cp\u003eThe pin size is 0.990'' x 2.750'' with a centered pin location.\u003c\/p\u003e\u003cp\u003eThe flat top has -3cc 1 valve relief, and there are no intake or exhaust valve reliefs.\u003c\/p\u003e\u003cp\u003eThe top landing height is 0.320'', and the ring grooves are 5\/64'' top, 5\/64'' middle, and 3\/16'' bottom.\u003c\/p\u003e\u003cp\u003eThe gram weight is 527\/141.\u003c\/p\u003e","brand":"United Engine \u0026 Machine Co","offers":[{"title":"Default Title","offer_id":51748939137306,"sku":"SLVIC9951.040","price":100.89,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0975\/8942\/8506\/files\/41qwv-z_iYL.jpg?v=1772041708","url":"https:\/\/trybeepbeep.com\/products\/chevy-489ci-fhr-forged-pistons-united-engine-machine-ic9951-040","provider":"TryBeepbeep","version":"1.0","type":"link"}