CLAIMER PISTON KIT SBC 383

Keith Black Claimer Pistons offer performance quality for the budget racer or street/performance applications. Hypereutectic 390 alloy with 16% Silicone. All pistons include True-Arc lock Rings which can be used with floating or press pin rod applications. Features include: Cast in symmetrical valve reliefs, Tru-Arc Lock Rings, CNC machined pin bores produce straight and accurately sized bores, Accumulator Groove aids with compression ring seal, Cast in Oil Returns, Diamond Finished Skirts, Molykote Skirt Coating, Wrist pins and spiral lock included, 5/64 x 5/64 x 3/16 rings not included, Compression Ratio 58cc 10.9:1, 62cc 10.4:1, 64cc 10.2:1, 76cc 9.1:1, Advertised piston weight 521 grams, 107 gram wrist pin, OE Deck Height 9.025", Note: Standard bore size is 4.000", Note: 2 symmetrical valve reliefs, centered pin. Coated Skirt. Now supplied with lockrings so the piston can be either full floating or press pin. Made with Chevy SB 350