KB Hypereutectic Piston 4.080" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 6.0 cc H775C30 These spring rubbers are made

These spring rubbers are made for racing from a special Polyurethane that out lasts rubber 4 to 1

9 HPReduction Ratio: 4: 1Weight: 10 Lbs

1992-2013 Chevrolet Corvette

1992-1995 Oldsmobile Achieva

KB Hypereutectic Piston 4.080" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 6.0 cc H775C30 These spring rubbers are madeProduct Description: Piston KB Series Hypereutectic 4. 080 in Bore 5 64 x 5 64 x 3 16 in Ring Grooves Minus 6. 00 cc Small Block Mopar 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