Cylinder Works
Cylinder Works 03-06 Yamaha WR 450 F 450cc +3mm Big Bore Cylinder Kit 478cc 12.5:1 Comp. 98mm
Cylinder Works
Cylinder Works 09-12 Honda CRF 450 R 450cc +3mm Big Bore Cylinder Kit 478cc 12.0:1 Comp. 99mm
Cylinder Works
Cylinder Works 04-09/12-13 Yamaha YFZ 450 450cc Standard Bore Cylinder Kit
Athena
Kits include aluminum cylinder with galvanic coating design with forged piston with molybdenum coating.
Cylinder Works
Cylinder Works 03-06 Yamaha WR 450 F 450cc +3mm Big Bore Top-End Gasket Kit 98mm
