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 21-22 Gas-Gas EX 450 F 450cc Standard Bore Cylinder Kit - CW50009K01 MSRP: $774.95 Was: Now: $579.28 Add to Cart
Cylinder Works 21-23 Gas-Gas EX 250 F 250cc Standard Bore Cylinder 78mm - 50006 MSRP: $498.95 Was: Now: $372.97 Add to Cart
Cylinder Works 21-22 Gas-Gas EX 450 F 450cc STD Bore High Compression Cylinder Kit 13.6:1 Comp. - CW50009K01HC MSRP: $796.95 Was: Now: $595.72 Add to Cart