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Pro-Filer "Hitman" 12° - Dome Series - 9.800" Deck

Diamond Pistons - Chevrolet Big Block Big Pro-Filer "Hitman" 12° - Dome Series / 9.800" Deck Height

Designed for use with Pro-Filer “Hitman” Series Cylinder Head
Back-cut .043” (.175) x 1/16” x 3/16” ring package 12940-12944 & 12950-12954
Back-cut .043” (.175) x .043” x 3/16” ring package 12945-12949 & 12955-12957
Top gas ports for maximum ring seal
Ratios configured for .005” to .020” deck height @9.800” and 10.200”
Premium H-13 Tool steel wrist pins included
Gasket volume = 11.3cc’s
Top ring down from piston crown = .340”
Intake valve relief depth .310, exhaust valve relief depth .098

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