The Big Bore Gasket Kit is specifically designed for Honda CRF450X models with a +3mm big bore cylinder. This top-end gasket kit ensures reliable sealing and compatibility with 99mm bore cylinders.

Features:

• Designed for 99mm big bore applications.
• Includes all necessary gaskets for top-end assembly.

Included Components:

• Head gasket
• Base gasket
• Exhaust gasket
• Cam chain tensioner gasket

Specifications:

• Bore size: 99mm

Vehicle Fitments:

• Honda CRF450X: 2005–2017