Kb Performance

KB Performance #KB426C.STD - Piston Kit - 3.750" Standard - 10.5:1 CR - 88" Twin Cam

Kit Includes:• 2x Pistons• 2x Wrist Pins• 4x Spiral Lock Pin Clips• 2x Ring SetsFeaturesManufactured from high-strength, T-5 heat-treated, 390 hypereutectic aluminum alloyAllows a tighter fit and...

KB Performance #KB576LCA.STD - Piston Kit - 4.250" Standard - 11.4:1 CR - 124" Big Bore - 107" M8

Piston Kit - 4.250" Standard - 11.4:1 CR - 124" Big Bore - 107" M8FeaturesValve pockets are designed to accept up to +4.00 mm oversized intake and exhaust valvesType 3 hard-anodized...

KB Performance #KB576LCA.005 - Piston Kit - 4.250" +0.005" - 11.4:1 CR - 124" Big Bore - 107" M8

Piston Kit - 4.250" +0.005" - 11.4:1 CR - 124" Big Bore - 107" M8FeaturesValve pockets are designed to accept up to +4.00 mm oversized intake and exhaust valvesType 3...

KB Performance #KB426C.010 - Piston Kit - 3.750" +0.010" - 10.5:1 CR - 88" Twin Cam

Kit Includes:• 2x Pistons• 2x Wrist Pins• 4x Spiral Lock Pin Clips• 2x Ring SetsFeaturesManufactured from high-strength, T-5 heat-treated, 390 hypereutectic aluminum alloyAllows a tighter fit and...

KB Performance #KB425C.005 - Piston Kit - 3.750" +0.005" - 8.8:1 CR - 88" Twin Cam

Kit Includes:• 2x Pistons• 2x Wrist Pins• 4x Spiral Lock Pin Clips• 2x Ring SetsFeaturesManufactured from high-strength, T-5 heat-treated, 390 hypereutectic aluminum alloyAllows a tighter fit and...

KB Performance #KB425C.030 - Piston Kit - 3.750" +0.030" - 8.8:1 CR - 88" Twin Cam

Kit Includes:• 2x Pistons• 2x Wrist Pins• 4x Spiral Lock Pin Clips• 2x Ring SetsFeaturesManufactured from high-strength, T-5 heat-treated, 390 hypereutectic aluminum alloyAllows a tighter fit and...

KB Performance #KB425C.010 - Piston Kit - 3.750" +0.010" - 8.8:1 CR - 88" Twin Cam

Kit Includes:• 2x Pistons• 2x Wrist Pins• 4x Spiral Lock Pin Clips• 2x Ring SetsFeaturesManufactured from high-strength, T-5 heat-treated, 390 hypereutectic aluminum alloyAllows a tighter fit and...

KB Performance #KB426C.020 - Piston Kit - 3.750" +0.020" - 10.5:1 CR - 88" Twin Cam

Kit Includes:• 2x Pistons• 2x Wrist Pins• 4x Spiral Lock Pin Clips• 2x Ring SetsFeaturesManufactured from high-strength, T-5 heat-treated, 390 hypereutectic aluminum alloyAllows a tighter fit and...

KB Performance #KB425C.020 - Piston Kit - 3.750" +0.020" - 8.8:1 CR - 88" Twin Cam

Kit Includes:• 2x Pistons• 2x Wrist Pins• 4x Spiral Lock Pin Clips• 2x Ring SetsFeaturesManufactured from high-strength, T-5 heat-treated, 390 hypereutectic aluminum alloyAllows a tighter fit and...

KB Performance #KB542LCA.STD - Piston Kit - 4.125" Standard - 11.0:1 CR - 114"/117" Bored to 120" - M8

Piston Kit - 4.125" Standard - 11.0:1 CR - 114"/117" Bored to 120" - M8FeaturesNew skirt coating technology is applied to the entire thickness of the piston-to-wall clearance for...

KB Performance #KB542LCA.020 - Piston Kit - 4.125" +0.020" - 11.0:1 CR - 114"/117" Bored to 120" - M8

Piston Kit - 4.125" +0.020" - 11.0:1 CR - 114"/117" Bored to 120" - M8FeaturesNew skirt coating technology is applied to the entire thickness of the piston-to-wall clearance...

KB Performance #KB909LCA.STD - Piston Kit - 3.875" Standard - 11.0:1 CR - 103" Twin Cam | Big Bore 96" to 103" w/ 85 cc Heads

Piston Kit - 3.875" Standard - 11.0:1 CR - 103" Twin Cam | Big Bore 96" to 103" w/ 85 cc HeadsFeaturesNew skirt coating technology is applied to the entire thickness of the...

KB Performance #KB921C.005 - Piston Kit - 3.498" +0.005" - 10.5:1 CR - Evolution Big Twin

Piston Kit - 3.498" +0.005" - 10.5:1 CR - Evolution Big TwinFeaturesPistons forged from 4032 aluminum alloyOffset pin design for quiet operationNew superior coated skirtsEach kit contains...

KB Performance #KB920C.005 - Piston Kit - 3.498" +0.005" - 9.5:1 CR - Evolution Big Twin

Piston Kit - 3.498" +0.005" - 9.5:1 CR - Evolution Big TwinFeaturesPistons forged from 4032 aluminum alloyOffset pin design for quiet operationNew superior coated skirtsEach kit contains...

KB Performance #KB662LCA.010 - Piston Kit - 4.125" +0.010" - 10.0:1 CR - 96"-103" Twin Cam Bored to 117 ci w/SE 95 cc Heads

Piston Kit - 4.125" +0.010" - 10.0:1 CR - 96"-103" Twin Cam Bored to 117 ci w/SE 95 cc HeadsFeaturesNew skirt coating technology is applied to the entire thickness of the...