Engine

KB Performance #KB263.010 - Piston Kit - 3.437 +0.010" - 9.0:1 CR - 74" Big Twin

Piston Kit - 3.437 +0.010" - 9.0:1 CR - 74" Big TwinFeaturesManufactured from high-strength, T-5, heat-treated, 390 hypereutectic aluminum alloyAllow a tighter fit and longer piston and ring lifeDiamond-machined pistons are held to plus or...

KB Performance #KB263.020 - Piston Kit - 3.437" +0.020" - 9.0:1 CR - 74" Big Twin

Piston Kit - 3.437" +0.020" - 9.0:1 CR - 74" Big TwinFeaturesManufactured from high-strength, T-5, heat-treated, 390 hypereutectic aluminum alloyAllow a tighter fit and longer piston and ring lifeDiamond-machined pistons are held to plus...

KB Performance #KB263.030 - Piston Kit - 3.437" +0.030" - 9.0:1 CR - 74" Big Twin

Piston Kit - 3.437" +0.030" - 9.0:1 CR - 74" Big TwinFeaturesManufactured from high-strength, T-5, heat-treated, 390 hypereutectic aluminum alloyAllow a tighter fit and longer piston and ring lifeDiamond-machined pistons are held to plus...

KB Performance #KB263.040 - Piston Kit - 3.437" +0.040" - 9.0:1 CR - 74" Big Twin

Piston Kit - 3.437" +0.040" - 9.0:1 CR - 74" Big TwinFeaturesManufactured from high-strength, T-5, heat-treated, 390 hypereutectic aluminum alloyAllow a tighter fit and longer piston and ring lifeDiamond-machined pistons are held to plus...

KB Performance #KB263.050 - Piston Kit - 3.437" +0.050" - 9.0:1 CR - 74" Big Twin

Piston Kit - 3.437" +0.050" - 9.0:1 CR - 74" Big TwinFeaturesManufactured from high-strength, T-5, heat-treated, 390 hypereutectic aluminum alloyAllow a tighter fit and longer piston and ring lifeDiamond-machined pistons are held to plus...

KB Performance #KB263.060 - Piston Kit - 3.437" +0.060" - 9.0:1 CR - 74" Big Twin

Piston Kit - 3.437" +0.060" - 9.0:1 CR - 74" Big TwinFeaturesManufactured from high-strength, T-5, heat-treated, 390 hypereutectic aluminum alloyAllow a tighter fit and longer piston and ring lifeDiamond-machined pistons are held to plus...

KB Performance #KB263.STD - Piston Kit - 3.437 Standard - 9.0:1 CR - 74" Big Twin

Piston Kit - 3.437 Standard - 9.0:1 CR - 74" Big TwinFeaturesManufactured from high-strength, T-5, heat-treated, 390 hypereutectic aluminum alloyAllow a tighter fit and longer piston and ring lifeDiamond-machined pistons are held to plus or minus...

KB Performance #KB266.005 - Piston Kit - 3.498" +0.005" - 10.5:1 CR - 80" Evolution Big Twin

Piston Kit - 3.498" +0.005" - 10.5:1 CR - 80" Evolution Big TwinFeaturesManufactured from high-strength, T-5, heat-treated, 390 hypereutectic aluminum alloyAllow a tighter fit and longer piston and ring lifeDiamond-machined pistons are...

KB Performance #KB266.010 - Piston Kit - 3.498" +0.010" - 10.5:1 CR - 80" Evolution Big Twin

Piston Kit - 3.498" +0.010" - 10.5:1 CR - 80" Evolution Big TwinFeaturesManufactured from high-strength, T-5, heat-treated, 390 hypereutectic aluminum alloyAllow a tighter fit and longer piston and ring lifeDiamond-machined pistons are...

KB Performance #KB266.020 - Piston Kit - 3.498" +0.020" - 10.5:1 CR - 80" Evolution Big Twin

Piston Kit - 3.498" +0.020" - 10.5:1 CR - 80" Evolution Big TwinFeaturesManufactured from high-strength, T-5, heat-treated, 390 hypereutectic aluminum alloyAllow a tighter fit and longer piston and ring lifeDiamond-machined pistons are...

KB Performance #KB266.030 - Piston Kit - 3.498" +0.030" - 10.5:1 CR - 80" Evolution Big Twin

Piston Kit - 3.498" +0.030" - 10.5:1 CR - 80" Evolution Big TwinFeaturesManufactured from high-strength, T-5, heat-treated, 390 hypereutectic aluminum alloyAllow a tighter fit and longer piston and ring lifeDiamond-machined pistons are...

KB Performance #KB266.040 - Piston Kit - 3.498" +0.040" - 10.5:1 CR - 80" Evolution Big Twin

Piston Kit - 3.498" +0.040" - 10.5:1 CR - 80" Evolution Big TwinFeaturesManufactured from high-strength, T-5, heat-treated, 390 hypereutectic aluminum alloyAllow a tighter fit and longer piston and ring lifeDiamond-machined pistons are...

KB Performance #KB266.STD - Piston Kit - 3.498" Standard - 10.5:1 CR - 80" Evolution Big Twin

Piston Kit - 3.498" Standard - 10.5:1 CR - 80" Evolution Big TwinFeaturesManufactured from high-strength, T-5, heat-treated, 390 hypereutectic aluminum alloyAllow a tighter fit and longer piston and ring lifeDiamond-machined pistons are held to...

KB Performance #KB272.005 - Piston Kit - 3.498" +0.005" - 10.0:1 CR - XL883 to 1200 Conversion

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 longer piston and ring lifeDiamond-machined pistons are...

KB Performance #KB272.010 - Piston Kit - 3.498" +0.010" - 10.0:1 CR - XL883 to 1200 Conversion

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 longer piston and ring lifeDiamond-machined pistons are...