KB Hypereutectic Piston 4.150" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 6.0 cc 91919969 Now you don't have to

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KB Hypereutectic Piston 4.150" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 6.0 cc 91919969 Now you don't have toProduct Description: Piston KB Series Hypereutectic 4. 150 in Bore 5 64 x 5 64 x 3 16 in Ring Grooves Minus 6. 00 cc Pontiac V8 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