KB Hypereutectic Piston 4.150" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 6.0 cc Floor Jack Dirt Wing The arm was the first

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

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

without excessive valve overlap that can compromise low rpm drivability

blended alcohol and fuel additives

Includes coil wire for socket-type coil and "Ford Racing" identification

KB Hypereutectic Piston 4.150" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 6.0 cc Floor Jack Dirt Wing The arm was the firstProduct 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