{"product_id":"speed-pro-sph552cp030-454-ci-bb-chev-dome-top-hypereutectic-pistons","title":"Speed Pro SPH552CP030 454 Ci BB Chev - Dome Top Hypereutectic Pistons","description":"\u003cp\u003eAvailable on both hypereutectic and POWERFORGED pistons, DUROSHIELD is an exclusive moly-graphite skirt \u003cbr\u003ecoating that extends engine life and essentially eliminates scuffing. This technologically advanced coating is precisely applied to the piston through a computer-controlled process. \u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eDUROSHIELD skirt coated pistons:\u003c\/strong\u003e \u003c\/p\u003e \u003cul\u003e \u003cli\u003eReduce friction for increased fuel economy and horsepower\u003c\/li\u003e \u003cli\u003e Essentially eliminate scuffing and wear\u003c\/li\u003e \u003cli\u003e Prevent damage from inadequate lubrication, especially at start-up\u003c\/li\u003e \u003cli\u003eImprove cylinder sealing for less blow-by and more power\u003c\/li\u003e \u003cli\u003eRequire no increase in skirt clearance \u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003ePiston Specifications :\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eCID: 489\u003c\/li\u003e \u003cli\u003e Bore: 4.280\u003c\/li\u003e \u003cli\u003eStroke: 4.250\u003c\/li\u003e \u003cli\u003eRod Length: 6.135\u003c\/li\u003e \u003cli\u003eCompression Height: 1.525\u003c\/li\u003e \u003cli\u003e Compression Ratio with 100cc chamber volume: 10.62\u003c\/li\u003e \u003cli\u003e Compression Ratio with 117cc chamber volume: 9.34\u003c\/li\u003e \u003cli\u003e Compression Ratio with 124cc chamber volume: 8.88\u003c\/li\u003e \u003cli\u003e Dome Volume: +11.2cc\u003c\/li\u003e \u003cli\u003e Pin Type: Press or Float\u003c\/li\u003e \u003cli\u003eRecommended Ring Set: Moly - SPE233K 030, STD Fit - SPR9905 030, File Fit - SPR9590 035\u003c\/li\u003e \u003cli\u003eCoated skirt\u003c\/li\u003e \u003c\/ul\u003e\u003cbr\u003e\u003cbr\u003e","brand":"Speed Pro","offers":[{"title":"Default Title","offer_id":44613660541239,"sku":"SPH552CP030","price":467.2,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0680\/9364\/1015\/files\/207801.jpg?v=1780397862","url":"https:\/\/enginemaster.com.au\/products\/speed-pro-sph552cp030-454-ci-bb-chev-dome-top-hypereutectic-pistons","provider":"Engine Master","version":"1.0","type":"link"}