KB Hypereutectic Piston 4.420" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 2.5 cc 57400BK Proudly designed and manufactured in

Proudly designed and manufactured in Berea

7560Since 1938

Skylark and wagon

1966-1967 Mercedes-Benz 250S

KB Hypereutectic Piston 4.420" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 2.5 cc 57400BK Proudly designed and manufactured inProduct Description: Piston KB Series Hypereutectic 4. 420 in Bore 5 64 x 5 64 x 3 16 in Ring Grooves Minus 2. 50 cc Big 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