KB Hypereutectic Piston 4.185" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Plus 17.0 cc Seat Belts & Harnesses We build project cars and

We build project cars and use our trucks for towing on weekends

External Mount

3 spoke unidirectional design

Screw-In Terminals

KB Hypereutectic Piston 4.185" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Plus 17.0 cc Seat Belts & Harnesses We build project cars andProduct Description: Piston KB Series Hypereutectic 4. 185 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