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 250 F 250cc Standard Bore Cylinder Kit - 50006-K01 MSRP: $829.95 Was: Now: $705.46 Add to Cart
Cylinder Works 21-23 Gas-Gas EX 250 F 250cc Standard Bore Cylinder 78mm - 50006 MSRP: $498.95 Was: Now: $474.00 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: $677.41 Add to Cart