KB Claimer Series Hypereutectic Piston 4.030" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Plus 14.0 cc Oil Filter Heat Shield reliable operation over the life

reliable operation over the life of the bushings

Fits First-Gen GM F-body and GM X-body

Idle To 5500 RPM

Throttle Bore

KB Claimer Series Hypereutectic Piston 4.030" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Plus 14.0 cc Oil Filter Heat Shield reliable operation over the lifeProduct Description: Piston Claimer Series Hypereutectic 4. 030 in Bore 5 64 x 5 64 x 3 16 in Ring Grooves Plus 14. 00 cc Small Block Chevy 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