Description
Big Block Chevy Diamond Street Series Pistons can be used with nitrous. Pistons will fit OEM, and aftermarket open and closed chamber cylinder heads. Compression Ratios figured for .010″ to .012″ deck height @ 9.800″. Standard 1/16″ x 1/16″ x 3/16″ ring package (Rings not Included). Premium 8620 wrist pins included. Gasket volume = 9.6cc to 10.7cc, top ring down from piston crown .280″. Valve relief depths .310″ intake. Designed to accept 2.300″ diameter intake valve and 1.880″ exhaust valve
Compression Ratio with 112cc Heads 10.9:1
Compression Ratio with 118cc Heads 10.4:1
Advertised piston weight 661 grams
Made to order
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