Vertex Piston Kit - 22896B Yamaha WR 450 / YZ 450 2003-2015 Brand_Dennis Stubblefield Sales Pro-Foam™ unique molding process creates

Pro-Foam™ unique molding process creates an element-resistant

High-performance black pre-oiled air filter

75" wide top post

Fully CNC-machined from solid 6061 T-6 bar

Vertex Piston Kit - 22896B Yamaha WR 450 / YZ 450 2003-2015 Brand_Dennis Stubblefield Sales Pro-Foam™ unique molding process createsFeatures The piston is heat treated with a T 5 hardening and tempering cycle The piston skirt is coated with a high tech Molybdenum Disulphite coating for faster break in time and increased piston life Forged high compression piston improves power and torque across entire rpm range Piston kit includes piston, rings, wrist pin and circlips Specs Displacement 450 cc Piston Diameter 94. 94 mm Compression Ratio 13. 5: 1 Cylinder Diameter 95. 00 mm Style