KB Hypereutectic Piston 4.150" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 6.0 cc Floor Jack Dirt Wing without excessive valve overlap that

without excessive valve overlap that can compromise low rpm drivability

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

They will form a positive seal over a temperature range of -85

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

Combination Bar Mount with Adjustable Whip/Flag Mount allows you to perfectly position your coupler

KB Hypereutectic Piston 4.150" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 6.0 cc Floor Jack Dirt Wing without excessive valve overlap thatProduct 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