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 19-20 Yamaha WR 450 F 450cc Standard Bore Cylinder 97mm - CW20012 MSRP: $427.95 Was: Now: $406.55 Add to Cart
Cylinder Works 21-23 Yamaha WR 450 F 450cc Standard Bore Cylinder Kit - CW20014K01 MSRP: $632.95 Was: Now: $538.00 Add to Cart
Cylinder Works 03-06 Yamaha WR 450 F 450cc Standard Bore Cylinder Kit - 20001-K02 MSRP: $694.95 Was: Now: $590.70 Add to Cart