KB Hypereutectic Piston 4.350" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Plus 3.5 cc BR40071 Painted Finish

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KB Hypereutectic Piston 4.350" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Plus 3.5 cc BR40071 Painted FinishProduct Description: Piston KB Series Hypereutectic 4. 350 in Bore 5 64 x 5 64 x 3 16 in Ring Grooves Plus 3. 50 cc Mopar RB 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