{"product_id":"ford-kb-performance-pistons-289-302-393ci-forged-ic736-030","title":"Ford KB Performance Pistons 289\/302\/393ci Forged IC736.030","description":"\u003cp\u003eThis piston is intended for use on the Small Block Ford based on Windsor.\u003c\/p\u003e\u003cp\u003eNote, pre-1971 deck heights are .020'' shorter.\u003c\/p\u003e\u003cp\u003eInsufficient stock for clean-up.\u003c\/p\u003e\u003cp\u003eTechnical Specs: Alloy: Premium High Ductility 2618 Bore: 4.030'' Crankshaft Stroke: 2.870''(289ci); 3.000''(302ci); 3.850''(393ci) Connecting Rod Length: 5.155''(289ci); 5.090''(302ci); 5.956''(393ci) Deck Height: 8.206''(289\/302ci); 9.500''(393ci - 351W Block) Compression Height: 1.608'' (all) Pin Size: 0.912'' x 2.750'' Pin Location: Centered Solid Dome Top:.150'' 6.8cc 2 Valve Reliefs Intake Valve Relief: .266'' Depth \/ 2.120'' Diameter Exhaust Valve Relief: .254'' Depth \/ 1.880'' Diameter Top Landing Height: 0.229'' Ring Grooves: 1\/16'' Top; 1\/16'' Middle; 3\/16'' Bottom Gram Weight: 516\/131 Compression Ratio (289ci): 11.8:1 w\/42cc Heads; 11.1:1 w\/46cc Heads; 10.2:1 w\/52cc Compression Ratio (302ci): 12.3:1 w\/54cc Heads; 11.5:1 w\/58cc Heads; 10.6:1 w\/64cc Compression Ratio (393ci): 15.5:1 w\/54cc Heads; 14.5:1 w\/58cc Heads; 13.3:1 w\/64cc.\u003c\/p\u003e","brand":"United Engine \u0026 Machine Co","offers":[{"title":"Default Title","offer_id":51748921475354,"sku":"SLVIC736.030","price":113.58,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0975\/8942\/8506\/files\/61lLd_D8LHL.jpg?v=1772041519","url":"https:\/\/trybeepbeep.com\/products\/ford-kb-performance-pistons-289-302-393ci-forged-ic736-030","provider":"TryBeepbeep","version":"1.0","type":"link"}