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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 99-24 Yamaha YZ 250 250cc Standard Bore Cylinder 66.4mm
$613.65
Sale price
$613.65
Regular price
$645.95