
The Story
- Works on all Honda 400EX, 400X, and XR400R models and years
- 87mm heavy-duty big bore cylinder
- 87mm big bore Wiseco or Wossner forged piston
- Nitrite-coated piston rings
- Chrome wrist pin
- Circlips
- Cometic big bore top-end gasket kit
- MLS big bore head gasket
- Talon TITANIUM cylinder head stud kit - LIFETIME WARRANTY*
- NGK spark plug
- No case or head mods required
- Runs on pump or race gas
- 1-year warranty on the complete kit, used and new parts*

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
- Works on all Honda 400EX, 400X, and XR400R models and years
- 87mm heavy-duty big bore cylinder
- 87mm big bore Wiseco or Wossner forged piston
- Nitrite-coated piston rings
- Chrome wrist pin
- Circlips
- Cometic big bore top-end gasket kit
- MLS big bore head gasket
- Talon TITANIUM cylinder head stud kit - LIFETIME WARRANTY*
- NGK spark plug
- No case or head mods required
- Runs on pump or race gas
- 1-year warranty on the complete kit, used and new parts*
























