
Original: $515.00
-65%$515.00
$180.25The Story
The Big Bore Gasket Kit is designed for Yamaha WR450F and YZ450F models equipped with a 478cc big bore cylinder. This comprehensive top-end gasket kit ensures a precise fit and reliable sealing for optimal engine performance.
Features:
- Specifically designed for 478cc big bore applications.
- Includes all necessary gaskets for top-end assembly.
Included Components:
- Head gasket
- Base gasket
- Exhaust gasket
- Cam chain tensioner gasket
Specifications:
- Displacement compatibility: 478cc
Vehicle Fitments:
- Yamaha WR450F: 2003–2006
- Yamaha YZ450F: 2003–2005

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
The Big Bore Gasket Kit is designed for Yamaha WR450F and YZ450F models equipped with a 478cc big bore cylinder. This comprehensive top-end gasket kit ensures a precise fit and reliable sealing for optimal engine performance.
Features:
- Specifically designed for 478cc big bore applications.
- Includes all necessary gaskets for top-end assembly.
Included Components:
- Head gasket
- Base gasket
- Exhaust gasket
- Cam chain tensioner gasket
Specifications:
- Displacement compatibility: 478cc
Vehicle Fitments:
- Yamaha WR450F: 2003–2006
- Yamaha YZ450F: 2003–2005




















