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; there's no need with this product! The 100% CNC machined crowns provide greater durability while staying true under pressure because of its spiral lock retainer grooves which allows these engines not just tolerate but excel at abuse thanks their superior design. With their lightweight, rigid-rib skirt design pistons that stabilize the bore and a variety of options designed for your vehicle's application. With all these benefits plus improved oil control you won't have to worry about cold start ups knocking or paying an arm & leg!

More From This Category

MANLEY Piston, Extreme Duty, 1.170 in. Compression Distance, 86.75 mm Bore Size, -6 Dish, For Toyota 2JZ, Each

MANLEY Piston, Extreme Duty, 1.170 in. Compression Distance, 86.75 mm Bore Size, -6 Dish, For Toyota 2JZ, Each

$507.82

MANLEY Piston, 1.125 in. Compression Distance, 4.030 in. Bore Size, Flat Top, For Chevrolet SB, Set of 8

MANLEY Piston, 1.125 in. Compression Distance, 4.030 in. Bore Size, Flat Top, For Chevrolet SB, Set of 8

$1,655.34

MANLEY Piston, 1.209 in. Compression Distance, 99.5 mm Bore Size, -10cc Dish, For Subaru, Set of 4

MANLEY Piston, 1.209 in. Compression Distance, 99.5 mm Bore Size, -10cc Dish, For Subaru, Set of 4

$1,429.40

KB Piston, 4.25 in. Bore, For Chevrolet 454 Rod 6.135 oc Hollow Dome -26cc 1V, .070 Oversized, w/ Rings, Each

KB Piston, 4.25 in. Bore, For Chevrolet 454 Rod 6.135 oc Hollow Dome -26cc 1V, .070 Oversized, w/ Rings, Each

$1,051.62

RaceTec Pistons, AutoTec, SBC 23deg 4.125, Flat Top, 0.04 Oversize, 4.165 Bore, 4.000 Stroke, 1.000

RaceTec Pistons, AutoTec, SBC 23deg 4.125, Flat Top, 0.04 Oversize, 4.165 Bore, 4.000 Stroke, 1.000

$1,180.83

MANLEY Piston, Extreme Duty, 4.080 in. Bore Size, -24cc Dish, HEMI 6.1, Set of 8

MANLEY Piston, Extreme Duty, 4.080 in. Bore Size, -24cc Dish, HEMI 6.1, Set of 8

$2,391.48