Description
Small Block Chevy Diamond D-Shaped Pistons are made from lightweight 4032 alloy making them great for a street replacement piston. They’re designed to fit most 23 Degree cylinder heads and will also work with 3.500 stroke. Standard 1/16″ x 1/16″ x 3/16″ ring package (Rings not Included). Premium 8620 wrist pins included. Top ring down=minimum .190″, valve relief depths = .295″ intake and .200″ exhaust.
Compression Ratio with 64cc Heads 9.4:1
Compression Ratio with 70cc Heads 8.7:1
Advertised piston weight 421 grams









