KB Hypereutectic Piston 4.320" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Plus 12.0 cc 121002 metallurgy and engineering come together

metallurgy and engineering come together to deliver what drivers expect from high performance parts

Allstar / Sweet 19 Spline Disconnect Couplers

Shipping Tape

Whether you're looking for an upgrade from stock components or parts for a swap

3/8-16 and 5/16-18 in Thread

KB Hypereutectic Piston 4.320" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Plus 12.0 cc 121002 metallurgy and engineering come togetherProduct Description: Piston KB Series Hypereutectic 4. 320 in Bore 5 64 x 5 64 x 3 16 in Ring Grooves Plus 12. 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