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) Underwear 1958-1972 Chevrolet Biscayne

1958-1972 Chevrolet Biscayne

bolt-in replacement for the factory manifold and is even drilled and tapped to accept the most popular EGT probes

1970-1986 GMC Jimmy

2009-2015 Chevrolet/GMC 1500 trucks (all engines)

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) Underwear 1958-1972 Chevrolet BiscayneProduct 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