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 Hinged collar and headrest design

Hinged collar and headrest design with a hydraulic shock absorber

1967-1973 Chevrolet Chevelle

1982-1992 GMC K2500 Suburban

Designed for side mounted throttle bodies

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 Hinged collar and headrest designProduct 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