KB Hypereutectic Piston 4.310" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Plus 17.0 cc 91929939 3/8 in NPT Overflow

3/8 in NPT Overflow

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

Wheelie Bar Wheel Bracket

Stealthy Black Finish to blend with dark colored interiors

Unique Control Pack Harness Replaces Stock Body Harness

KB Hypereutectic Piston 4.310" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Plus 17.0 cc 91929939 3/8 in NPT OverflowProduct 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