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 16-22 125 SX/21-22 125 XC/21-23 MC 125/16-22 TC 125 Standard Bore Cylinder - CW50014 MSRP: $865.95 Was: Now: $647.30 Add to Cart
Cylinder Works 21-23 Gas-Gas MC 50 50cc Standard Bore Cylinder Kit - CW50012K01 MSRP: $487.95 Was: Now: $364.75 Add to Cart
Cylinder Works 21-23 Gas-Gas MC 65 65cc Standard Bore Cylinder Kit - 50005-K01 MSRP: $730.95 Was: Now: $546.39 Add to Cart