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OEM-style standard bore kits include a cast aluminum Cylinder Works cylinder, Vertex Piston and gaskets needed to restore horsepower and performance, as a competitive price point, compared to OEM options.
Cylinder Works
Cylinder Works 19-20 Yamaha WR 450 F 450cc Standard Bore High Comp Cylinder Kit 13.8:1 Comp 97mm
$681.66
Sale price
$681.66
Regular price
$801.95