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

Outer Seam

Attaches to either style hydraulic throw out bearing in place of the existing bleeder

Oil Pressure / Oil Temperature / Water Temperature

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