KB Performance Hypereutectic Piston Kit 3.498" Standard 9.6:1 CR 80" Evolution Big Twin - KB305.STD For Harley 1984-1999 Backrest Accept most male-mount style footpegs

Accept most male-mount style footpegs

Dual plunge design prevents axle from binding

Mounting Position Rear Product Name Sprocket Units Each Chain Size 520 Tooth Count 47 Material Steel

has reflective piping an lined interior

3085" Outside Diameter 0

KB Performance Hypereutectic Piston Kit 3.498" Standard 9.6:1 CR 80" Evolution Big Twin - KB305.STD For Harley 1984-1999 Backrest Accept most male-mount style footpegsFeatures 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