KB Hypereutectic Piston 4.150" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 6.0 cc Floor Jack Dirt Wing Upgraded earlier LS water pumps

Upgraded earlier LS water pumps to the less restritive late model thermostats

The arm was the first to use Del-a-lum bushings as a standard component over polyurethane

blended alcohol and fuel additives

Its all around beefy classic styling is the perfect match for your ride

KB Hypereutectic Piston 4.150" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 6.0 cc Floor Jack Dirt Wing Upgraded earlier LS water pumpsProduct Description: Piston KB Series Hypereutectic 4. 150 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