KB Hypereutectic Piston 4.280" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Plus 26.0 cc - Big Block Chevy - Set of 8 H775C04XXL 1967-1973 Chevrolet Chevelle

1967-1973 Chevrolet Chevelle

3 mm Diameter

575 in Long

Ford 385 Series

Throttle Blade

KB Hypereutectic Piston 4.280" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Plus 26.0 cc - Big Block Chevy - Set of 8 H775C04XXL 1967-1973 Chevrolet ChevelleProduct Description: Piston KB Series Hypereutectic 4. 280 in Bore 5 64 x 5 64 x 3 16 in Ring Grooves Plus 26. 00 cc Big 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