Engine

KB Performance KB411.010 - Piston Kit

FeaturesManufactured from high-strength, T-5 heat-treated, 390 hypereutectic aluminum alloyAllows a tighter fit and longer piston and ring lifeDiamond-machined pistons are held to plus or minus one gram weight and less than one-half-thousandth-inch (...

KB Performance KB425C.005 - Piston Kit - Twin Cam 88

FeaturesManufactured from high-strength, T-5 heat-treated, 390 hypereutectic aluminum alloyAllows a tighter fit and longer piston and ring lifeDiamond-machined pistons are held to plus or minus one gram weight and less than one-half-thousandth-inch (...

KB Performance KB425C.010 - Piston Kit - Twin Cam 88

FeaturesManufactured from high-strength, T-5 heat-treated, 390 hypereutectic aluminum alloyAllows a tighter fit and longer piston and ring lifeDiamond-machined pistons are held to plus or minus one gram weight and less than one-half-thousandth-inch (...

KB Performance KB425C.020 - Piston Kit - Twin Cam 88

FeaturesManufactured from high-strength, T-5 heat-treated, 390 hypereutectic aluminum alloyAllows a tighter fit and longer piston and ring lifeDiamond-machined pistons are held to plus or minus one gram weight and less than one-half-thousandth-inch (...

KB Performance KB425C.030 - Piston Kit - Twin Cam 88

FeaturesManufactured from high-strength, T-5 heat-treated, 390 hypereutectic aluminum alloyAllows a tighter fit and longer piston and ring lifeDiamond-machined pistons are held to plus or minus one gram weight and less than one-half-thousandth-inch (...

KB Performance KB425C.STD - Piston Kit - Twin Cam 88

FeaturesManufactured from high-strength, T-5 heat-treated, 390 hypereutectic aluminum alloyAllows a tighter fit and longer piston and ring lifeDiamond-machined pistons are held to plus or minus one gram weight and less than one-half-thousandth-inch (...

KB Performance KB426C.005 - Piston Kit - Twin Cam 88

FeaturesManufactured from high-strength, T-5 heat-treated, 390 hypereutectic aluminum alloyAllows a tighter fit and longer piston and ring lifeDiamond-machined pistons are held to plus or minus one gram weight and less than one-half-thousandth-inch (...

KB Performance KB426C.010 - Piston Kit - Twin Cam 88

FeaturesManufactured from high-strength, T-5 heat-treated, 390 hypereutectic aluminum alloyAllows a tighter fit and longer piston and ring lifeDiamond-machined pistons are held to plus or minus one gram weight and less than one-half-thousandth-inch (...

KB Performance KB426C.020 - Piston Kit - Twin Cam 88

FeaturesManufactured from high-strength, T-5 heat-treated, 390 hypereutectic aluminum alloyAllows a tighter fit and longer piston and ring lifeDiamond-machined pistons are held to plus or minus one gram weight and less than one-half-thousandth-inch (...

KB Performance KB426C.STD - Piston Kit - Twin Cam 88

FeaturesManufactured from high-strength, T-5 heat-treated, 390 hypereutectic aluminum alloyAllows a tighter fit and longer piston and ring lifeDiamond-machined pistons are held to plus or minus one gram weight and less than one-half-thousandth-inch (...

KB Performance KB542LCA.020 - PISTON KIT M8 117" +020

FeaturesSuper Duty Series includes:Anodized top ring groove and crownLine2Line abradable skirt coating applied to .003" total thickness for a zero initial fit to allow coating to hone in for a tight quiet running clearanceRound wire locksSteel nitride...

KB Performance KB542LCA.STD - Piston Kit - Standard - M8

FeaturesSuper Duty Series includes:Anodized top ring groove and crownLine2Line abradable skirt coating applied to .003" total thickness for a zero initial fit to allow coating to hone in for a tight quiet running clearanceRound wire locksSteel nitride...

KB Performance KB576LCA.005 - Piston Kit - 124" - +.005" - M8

Specs Bore Oversize: +0.005" Product Name: Piston Kit Riding Style: Street Displacement: 124" Bore - Oversize: +0,005" Units: KitApproximate Package Weight & Dimensions Weight: 3.15 Height: 5.64 Length: 6.09 Width: 5.85Fitments Years Make Model 2017...

KB Performance KB576LCA.STD - Piston Kit - 124" - Standard - M8

Specs Units: Kit Displacement: 124" Bore - Oversize: Standard Bore Oversize: Standard Bore Size: 4.250" Product Name: Piston Kit Riding Style: StreetApproximate Package Weight & Dimensions Weight: 3.15 Height: 5.7 Length: 6.05 Width: 5.92Fitments...

KB Performance KB595LCA.005 - Piston Kit - +.005" - M8

FeaturesPistons forged from 4032 aluminum alloyOffset pin design for quiet operationEach kit contains two pistons, pins, spiral-lock pin clips and Hastings moly ringsPiston pin lock rings available separatelyReplacement rings are also available...

KB Performance KB595LCA.STD - Piston Kit - Standard - M8

FeaturesPistons forged from 4032 aluminum alloyOffset pin design for quiet operationEach kit contains two pistons, pins, spiral-lock pin clips and Hastings moly ringsPiston pin lock rings available separatelyReplacement rings are also available...

KB Performance KB596LCA.005 - Piston Kit - +.005" - M8

FeaturesPistons forged from 4032 aluminum alloyOffset pin design for quiet operationEach kit contains two pistons, pins, spiral-lock pin clips and Hastings moly ringsPiston pin lock rings available separatelyReplacement rings are also available...

KB Performance KB596LCA.STD - Piston Kit - Standard - M8

FeaturesPistons forged from 4032 aluminum alloyOffset pin design for quiet operationEach kit contains two pistons, pins, spiral-lock pin clips and Hastings moly ringsPiston pin lock rings available separatelyReplacement rings are also available...

KB Performance KB660C.005 - Forged Piston Kit - Twin Cam

FeaturesPistons forged from 4032 aluminum alloyOffset pin design for quiet operationEach kit contains two pistons, pins, spiral-lock pin clips and Hastings moly ringsPiston pin lock rings available separatelyReplacement rings are also available...

KB Performance KB660C.STD - Forged Piston Kit - Twin Cam

FeaturesPistons forged from 4032 aluminum alloyOffset pin design for quiet operationEach kit contains two pistons, pins, spiral-lock pin clips and Hastings moly ringsPiston pin lock rings available separatelyReplacement rings are also available...

KB Performance KB660LCA.010 - Super-Duty Piston

FeaturesNew skirt coating technology is applied to the entire thickness of the piston-to-wall clearance for a zero install clearance; coating then abrades in on start-up to hone for the perfect fit per cylinderSkirt coating eliminates piston rock for the...

KB Performance KB660LCA.STD - Super-Duty Piston

FeaturesNew skirt coating technology is applied to the entire thickness of the piston-to-wall clearance for a zero install clearance; coating then abrades in on start-up to hone for the perfect fit per cylinderSkirt coating eliminates piston rock for the...

KB Performance KB661C.005 - Forged Piston Kit - Twin Cam

FeaturesPistons forged from 4032 aluminum alloyOffset pin design for quiet operationEach kit contains two pistons, pins, spiral-lock pin clips and Hastings moly ringsPiston pin lock rings available separatelyReplacement rings are also available...

KB Performance KB661C.010 - Forged Piston Kit - Twin Cam

FeaturesPistons forged from 4032 aluminum alloyOffset pin design for quiet operationEach kit contains two pistons, pins, spiral-lock pin clips and Hastings moly ringsPiston pin lock rings available separatelyReplacement rings are also available...