KB Hypereutectic Piston 4.290" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Plus 12.0 cc 2010203 4 x 6-1/2 in Round

4 x 6-1/2 in Round Body

Tester checks cylinder compression from 0 to 300 PSI and features an air-hold valve to reset gauge

Chevrolet Camaro/Pontiac Firebird Big Block

uses a diaphragm-controlled

Liberally spray the outside of the visor with the cleaner

KB Hypereutectic Piston 4.290" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Plus 12.0 cc 2010203 4 x 6-1/2 in RoundProduct Description: Piston KB Series Hypereutectic 4. 290 in Bore 5 64 x 5 64 x 3 16 in Ring Grooves Plus 12. 00 cc Big 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 locations, gas