Cylinder Works Cylinder Kit - 20003-K01HC Yamaha YZ 450 / WR 450 2006-2015 Brand_Slipstreamer Units Each Muffler Material Mild

Units Each Muffler Material Mild Steel End Cap Color/Finish Machined Model Hi-Output Color/Finish Black Outer Diameter 4-1/2" Riding Style Street End Cap Material Aluminum Product Name Muffler End Cap Color/Finish Billet Color/Finish Ceramic Color/Finish Matte Black Mounting Position Right Type Slip-On

Straight-weight lubricants custom-formulated for the H-D air-cooled engine

Helps restore factory shine

Foam-injected interior for comfort

Cylinder Works Cylinder Kit - 20003-K01HC Yamaha YZ 450 / WR 450 2006-2015 Brand_Slipstreamer Units Each Muffler Material MildFeatures Ready to install, direct bolt on cylinders require no re plating and look virtually identical to the OEM cylinders Cylinder kit comes with matched Vertex pistons to ensure longevity, performance and reduced engine noise Kit includes cylinder, piston, rings, pins, clips and top end gasket kit Nickel silicon carbide plated for long life Made in the USA Specs Units Kit Compression Ratio 13. 5: 1 Cylinder Diameter 95. 00 mm Engine Type 4 Cycle