Product Description 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 16-18 Yamaha WR 450 F 450cc Standard Bore Cylinder Kit 12.5:1 Comp. 97mm - 20005-K02 MSRP: $744.95 Was: Now: $556.85 Add to Cart
Cylinder Works 10-13 Yamaha YZ 450 F 450cc Standard Bore High Compression Cylinder Kit 13.5:1 Comp. - 20005-K01HC MSRP: $760.95 Was: Now: $568.81 Add to Cart
Cylinder Works 10-13 Yamaha YZ 450 F 450cc +2mm Big Bore Cylinder Kit 470cc 99mm - 21005-K01 MSRP: $834.95 Was: Now: $624.13 Add to Cart