KB HYP PISTON KIT SBF 302

The KB Series pistons are high-performance, marine grade and designed for performance applications. With a 1% silicon content they're also strong enough to be used in drag racing or circle track car tracks without worrying about metal fatigue causing fractures on overuse. The 100% CNC machined crowns provide greater durability while staying true under pressure because of its spiral lock retainer grooves. With their lightweight, rigid-rib skirt design pistons that stabilize the bore and a variety of options designed for your vehicle's application, along with improved oil control, you won't have to worry about cold start ups knocking.