KB Hypereutectic Piston 4.185" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Plus 17.0 cc Seat Belts & Harnesses 3 spoke unidirectional design

3 spoke unidirectional design

This deflection means lackluster throttle response

Screw-In Terminals

Perfect for diesel performance applications looking to add a tachometer or upgrade from factory equipment and a great problem solver for engine swap builds in need of working instruments

Sand Cast w/ Satin Finish

KB Hypereutectic Piston 4.185" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Plus 17.0 cc Seat Belts & Harnesses 3 spoke unidirectional designProduct 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