Kits include aluminum cylinder with nickel-carbide coating designed with larger water jackets
Forged piston with molybdenum coating
Special gasket kit
Easy-to-follow step-by-step installation instructions
All are bolt-on; no machining required
Fitments:
2010-2011 Yamaha YFZ 450 X 4x2
2009-2013 Yamaha YFZ 450R 4x2