KB Performance Super-Duty Piston Kit 4.125" +0.020" 11.0:1 CR 114"/117" Bored to 120" M8 - KB542LCA.020 For Harley Motorcycles 2017-2026 Brand_Rick's Motorsport Electric Mounts on left-hand side of

Mounts on left-hand side of the bike

Polished cast aluminum construction

2001-2014 Kawasaki KX85 2002-2025 Yamaha YZ 85 2022-2025 Yamaha YZ 85 LW

replaces OEM cage

KB Performance Super-Duty Piston Kit 4.125" +0.020" 11.0:1 CR 114"/117" Bored to 120" M8 - KB542LCA.020 For Harley Motorcycles 2017-2026 Brand_Rick's Motorsport Electric Mounts on left-hand side ofFeatures Super Duty Series includes: Anodized top ring groove and crown Line2Line abradable skirt coating applied to . 003" total thickness for a zero initial fit to allow coating to hone in for a tight quiet running clearance Round wire locks Steel nitride top ring with a Ductile Napier second Forced wrist pin oiling Flat Top 1. 2cc Compression Height 1. 083" Factory 117" Cylinders can safely be bored to 4. 125" through 4. 165" Valve pockets sized to