Cylinder Works 04-09/12-13 Yamaha YFZ 450 450cc Standard Bore Cylinder Kit

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.

Genuine Cylinder Works. Part number 20001-K01.

Imported to order from our US supply partner — allow 7-14 days delivery.