KB Performance Piston Kit - KB272.010 For Harley Sportster 1986-2022 Brand_Ancra 20 mm to 3

20 mm to 3

Low end performance boost

Compact size fits easily under stock covers

Handlebar clamp attachment fits either 7/8" or 1" handlebar

KB Performance Piston Kit - KB272.010 For Harley Sportster 1986-2022 Brand_Ancra 20 mm to 3Features Manufactured from high strength, T 5 heat treated, 390 hypereutectic aluminum alloy Allows a tighter fit and longer piston and ring life Diamond machined pistons are held to plus or minus one gram weight and less than one half thousandth inch (. 0005") tolerances from piston to piston Each kit contains two pistons, pins, spiral lock pin clips and Hastings moly rings Replacement piston rings sold separately KB pistons can be installed tighter