KB Performance Hypereutectic Piston Kit 3.498" Standard 9.6:1 CR 80" Evolution Big Twin - KB305.STD For Harley 1984-1999 Backrest Dual plunge design prevents axle

Dual plunge design prevents axle from binding

brake caliper and hub to insert greaser tool and use grease gun to pack wheel bearings

Accept most male-mount style footpegs

Tooth Count 130 Units Each Riding Style Street Width 1-1/2" Product Name Belt Material X7N Carbon

KB Performance Hypereutectic Piston Kit 3.498" Standard 9.6:1 CR 80" Evolution Big Twin - KB305.STD For Harley 1984-1999 Backrest Dual plunge design prevents axleFeatures 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