{"product_id":"srp-pistons-srp152159-forged-pistons-chev-big-block-557-4-5-bore-1-245-comp-distance","title":"SRP Pistons SRP152159 Forged Pistons Chev Big Block 557 4.5\" Bore 1.245\" Comp Distance","description":"\u003ctable\u003e\u003ctr\u003e\u003ctd\u003e\n\u003cstrong\u003eSRP FORGED PISTONS CHEV BIG BLOCK 557 4.5\" BORE 1.245\" COMP DISTANCE SRP152159\u003c\/strong\u003e\u003cdiv\u003eSRP big block Chevy high-compression dome top pistons have a hollow dome design that fits most open chamber STD GM, Dart, and Brodix heads. They are forged from premium 2618 aluminum alloy with CNC-machined domes with radiused valve reliefs that provide optimum flame travel. They include a pin fitting, double Spiro locks, and a wall wrist pin. Their CNC-machined ring grooves accept 1\/16, 1\/16, 3\/16 rings, which are sold separately. These pistons will fit tall decks when used with .400 in. long ends, but will not fit GM Signature series or Edelbrock cylinder heads. Pin upgrades are available.\u003c\/div\u003e\n\u003cstrong\u003eSpecs:\u003c\/strong\u003eApplication: Chev Big Block 502 Gen V, VI 557 cubic inch. Will not fit GM Signature series or Edelbrock 60549, 60559, 61559, 60449, 60459, 61459, 60479, or 60499 cylinder heads.\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBore (in)\u003c\/td\u003e\n\u003ctd\u003e4.500 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBore (mm)\u003c\/td\u003e\n\u003ctd\u003e114.300mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePiston Style\u003c\/td\u003e\n\u003ctd\u003eDome, with single valve relief\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePiston Material\u003c\/td\u003e\n\u003ctd\u003eForged aluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompression Distance (in)\u003c\/td\u003e\n\u003ctd\u003e1.245 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePiston Head Volume (cc)\u003c\/td\u003e\n\u003ctd\u003e-41.00cc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWrist Pin Style\u003c\/td\u003e\n\u003ctd\u003ePress-fit or floating\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePin Diameter (in)\u003c\/td\u003e\n\u003ctd\u003e0.990 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePiston Ring Thickness\u003c\/td\u003e\n\u003ctd\u003e1\/16 in. x 1\/16 in. x 3\/16 in.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eQuantity\u003c\/td\u003e\n\u003ctd\u003eSold as a set of 8.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNotes\u003c\/td\u003e\n\u003ctd\u003eOil rail support included.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003c\/td\u003e\u003c\/tr\u003e\u003c\/table\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e","brand":"SRP Pistons","offers":[{"title":"Default Title","offer_id":44555476107575,"sku":"SRP152159","price":1397.6,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0680\/9364\/1015\/files\/208702.jpg?v=1780383597","url":"https:\/\/enginemaster.com.au\/products\/srp-pistons-srp152159-forged-pistons-chev-big-block-557-4-5-bore-1-245-comp-distance","provider":"Engine Master","version":"1.0","type":"link"}