KB Hypereutectic Piston 4.155" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 22.0 cc H777C05XXL Other benefits include: Compact

Other benefits include: Compact

Polished Finish

Allstar Line Lock

1963-1973 Ford P-100

KB Hypereutectic Piston 4.155" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 22.0 cc H777C05XXL Other benefits include: CompactProduct Description: Piston KB Series Hypereutectic 4. 155 in Bore 5 64 x 5 64 x 3 16 in Ring Grooves Minus 22. 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,