KB Hypereutectic Piston - 4.150 in Bore - 5/64 x 5/64 x 3/16 in Ring Grooves - Plus 10.00 cc - Pontiac V8 (Set of 8) Motorcycle & ATV/UTV Gear improving your driving experience on

improving your driving experience on both the street and track

Square- BoreSince 1938

secondary with accelerator pump provisions

Part Number: 561-131

KB Hypereutectic Piston - 4.150 in Bore - 5/64 x 5/64 x 3/16 in Ring Grooves - Plus 10.00 cc - Pontiac V8 (Set of 8) Motorcycle & ATV/UTV Gear improving your driving experience onProduct Description: Piston KB Series Hypereutectic 4. 150 in Bore 5 64 x 5 64 x 3 16 in Ring Grooves Plus 10. 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