KB Performance Piston Kit - KB258.STD For Harley 1984-1999 Softail Comprised of a carbon-fiber muffler

Comprised of a carbon-fiber muffler outer sleeve and end cap

Our OG 13" Complete Radial Big Brake Kit unleashes the full potential of your performance Harley build using the Brembo M4 Monobloc radial calipers

FXSTS & FLSTS Softail & Heritage Springer - Rear position

Flexible for easy transport

KB Performance Piston Kit - KB258.STD For Harley 1984-1999 Softail Comprised of a carbon-fiber mufflerFeatures Manufactured from high strength, T 5, heat treated, 390 hypereutectic aluminum alloy Allow 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 and pin lock rings available separately KB pistons