TRX450R ’06-’14 Cylinder Works 479cc Big Bore Kit 99mm
- New cast aluminum big bore cylinder to increase engine displacement
- Choose a Forged Vertex or JE big bore piston kit. Kit includes piston rings, wrist pin and circlips
- Choose what compression ratio you want to run
- Big Bore top end gasket kit includes head gasket, base gasket, cam chain tensioner gasket and exhaust gasket
- Cylinder is machined and nickel silicon carbide plated in USA