Description
Diamond Forged pistons for Big Block Chevy are designed for use with Dart Big Chief and Brodix Big Duke 18 Degree Cylinder Heads.Gas ports added for maximum ring seal, .043 .043 3/16 ring lands. Compression Ratios figured for .005″ to .020″ deck height @ 9.800″ and 10.200″. Premium .185 wall H-13 tool steel wrist pins are included. Gasket volume = 11.3cc, top ring down from piston crown .340″ @ 1.240″ C.D. to 1.270″, .290″ @ 1.120″ C.D. Valve relief depths .315″ intake and .068″ exhaust.
Compression Ratio with 95cc Heads 13.6:1
Compression Ratio with 100cc Heads 13.0:1
Advertised piston weight 623 grams
