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 21-22 Gas-Gas EX 250 F 250cc STD Bore High Compression Cylinder Kit 14.7:1 Comp. - 50006-K01HC MSRP: $852.95 Was: Now: $637.58 Add to Cart
Cylinder Works 21-22 Gas-Gas EC 350 F 350cc STD Bore High Compression Cylinder Kit 15.1:1 Comp. - CW50008K01HC MSRP: $754.95 Was: Now: $564.33 Add to Cart