KB Hypereutectic Piston 4.160" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 6.0 cc 931072 098 in Compression Thickness

098 in Compression Thickness

1-1/2" Diameter Chromed steel case

Hardened and black oxide finished

This bolt on 409S stainless steel system for the 3

KB Hypereutectic Piston 4.160" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 6.0 cc 931072 098 in Compression ThicknessProduct Description: Piston KB Series Hypereutectic 4. 160 in Bore 5 64 x 5 64 x 3 16 in Ring Grooves Minus 6. 00 cc Pontiac V8 Set of 8 Created from a high silicon aluminum alloy, KB Performance pistons are lightweight to improve throttle response and RPM changes while still being strong enough to withstand high compression and high temperatures. Each piston is engineered with race ready features like high upper compression ring locations, gas