KB Hypereutectic Piston 4.040" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 7.0 cc 103182 Holley has the regulator to

Holley has the regulator to cover your needs

1963-1963 Ford Ford 300

Dual 3-1/2 in Diameter Pipe

Mopar Licensed Horn ButtonSince 1962

Valve spring upgrade required

KB Hypereutectic Piston 4.040" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 7.0 cc 103182 Holley has the regulator toProduct Description: Piston KB Series Hypereutectic 4. 040 in Bore 5 64 x 5 64 x 3 16 in Ring Grooves Minus 7. 00 cc Small Block Chevy 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