KB Hypereutectic Piston 4.030" Bore 1/16 x 1/16 x 3/16" Ring Grooves - Minus 6.5 cc 42143 1955-1970 Chevrolet Bel Air

1955-1970 Chevrolet Bel Air

Ram 3500 Pickup

Accepts divorced choke

and the anti-fog coating on the inside of the visor

Rated Injector Flow: 80 lb/hr

KB Hypereutectic Piston 4.030" Bore 1/16 x 1/16 x 3/16" Ring Grooves - Minus 6.5 cc 42143 1955-1970 Chevrolet Bel AirProduct Description: Piston KB Series Hypereutectic 4. 030 in Bore 5 64 x 5 64 x 3 16 in Ring Grooves Minus 6. 50 cc Small Block Ford 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