Description
Small Block Chevy Diamond 17/18 Degree Pistons can be used with small nitrous applications. Standard .043 .043 3.0mm ring package (Rings not Included) with side gas ports for better ring seal. Premium 8620 wrist pins are included. Gasket volume = 9.1cc, top ring down=minimum .205″ @ 1.000″ C.D., valve relief depths = .297″ intake and .215″ exhaust.
Compression Ratio with 55cc Heads 13.0:1
Compression Ratio with 58cc Heads 12.6:1
Advertised piston weight 465 grams
Made to order
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