Cylinder Works 12-23 Honda CRF 150 R 150cc +2mm Big Bore Cylinder Kit 160cc 11.7:1 Comp. 68mm

OEM in apperance, yet performance driven in design. The Cylinder Works Big Bore Cylinder Kits contain a hand matched big bore Vertex piston and top end gasket kit wtih o-rings in an all-in-one kit, providing cost savings over purchasing OEM components separately.