KB Hypereutectic Piston 4.280" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 5.0 cc NG21 Forged Billet Aluminum

Forged Billet Aluminum

Black Powder Coat / Natural

2019-2020 Ram 3500 Laramie Limited Fleetside

1986-1986 Chevrolet C30

KB Hypereutectic Piston 4.280" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 5.0 cc NG21 Forged Billet AluminumProduct Description: Piston KB Series Hypereutectic 4. 280 in Bore 5 64 x 5 64 x 3 16 in Ring Grooves Minus 8. 00 cc Mopar B Series 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