{"product_id":"speed-pro-sph426cp040-sph426cp-040-chev-454-bb-v8-040-dome-top-hypereutectic-pistons","title":"Speed Pro SPH426CP040 Sph426Cp 040 Chev 454 BB V8 +.040 Dome Top Hypereutectic Pistons","description":"\u003cp\u003eThese ruggedly durable pistons are made with exclusive high strength FM425 alloy, and enhanced with 16.5% silicon for excellent tensile strength and scuff resistance.\u003c\/p\u003e  \u003cp\u003eThis advanced metallurgy permits tighter bore clearances, which help minimise noise on cold engine start-up. These pistons are the ideal choice for street performance applications and late-model replacement.\u003c\/p\u003e \u003cbr\u003e\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eApplication: Chevy big block Mark IV, Gen V \u0026amp; VI 454 C.I.D. V8.\u003c\/strong\u003e\u003c\/p\u003e  \u003cul\u003e  \u003cli\u003eBore (in): 4.290 in.\u003c\/li\u003e  \u003cli\u003eBore (mm): 108.996mm\u003c\/li\u003e  \u003cli\u003ePiston Style: Dome, with single valve relief\u003c\/li\u003e  \u003cli\u003ePiston Material: Hypereutectic aluminum\u003c\/li\u003e  \u003cli\u003eCompression Distance (in): 1.640 in.\u003c\/li\u003e  \u003cli\u003eDome Height (in): 0.100 in.\u003c\/li\u003e  \u003cli\u003ePiston Head Volume (cc): -10.50cc\u003c\/li\u003e  \u003cli\u003eWrist Pin Style: Press-fit or floating\u003c\/li\u003e  \u003cli\u003ePin Diameter (in): 0.989 in.\u003c\/li\u003e  \u003cli\u003ePiston Ring Thickness: 5\/64 in. x 5\/64 in. x 3\/16 in.\u003c\/li\u003e  \u003cli\u003eQuantity: Sold as a set of 8.\u003c\/li\u003e  \u003cli\u003eNotes: DurOshield® coated piston skirt.\u003c\/li\u003e \u003c\/ul\u003e","brand":"Speed Pro","offers":[{"title":"Default Title","offer_id":44678205997367,"sku":"SPH426CP040","price":467.0,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0680\/9364\/1015\/files\/207780.jpg?v=1780378101","url":"https:\/\/enginemaster.com.au\/products\/speed-pro-sph426cp040-sph426cp-040-chev-454-bb-v8-040-dome-top-hypereutectic-pistons","provider":"Engine Master","version":"1.0","type":"link"}