Cylinder Works 17-18 Honda CRF 450 R 450cc Standard Bore High Compression Cylinder Kit 14.4:1 Comp. - 10010-K01HC

Cylinder Works 19-20 Honda CRF 450 R 450cc Standard Bore High Compression Cylinder Kit 14.4:1 Comp.

Cylinder Works 02-06 Honda CRF 450 R 450cc Standard Bore High Compression Cylinder Kit 12.5:1 Comp.

Cylinder Works 21-23 Honda CRF 450 R 450cc Standard Bore High Compression Cylinder Kit

Cylinder Works 17-18 Honda CRF 450 R 450cc Standard Bore Cylinder Kit 13.5:1 Comp. 96mm

Cylinder Works 05-17 Honda CRF 450 X 450cc Standard Bore High Compression Cylinder Kit 12.5:1 Comp.