KB Hypereutectic Piston 4.310" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Plus 17.0 cc 91929939 Stealthy Black Finish to blend

Stealthy Black Finish to blend with dark colored interiors

3/8 in NPT Overflow

Pumper system and mount hardware not included

consistent coil charging and a current control circuit protects against coil overheating

Every car or truck has unique mechanical and acoustical properties

KB Hypereutectic Piston 4.310" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Plus 17.0 cc 91929939 Stealthy Black Finish to blendProduct Description: Piston KB Series Hypereutectic 4. 310 in Bore 5 64 x 5 64 x 3 16 in Ring Grooves Plus 17. 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