Honda 400EX 400X 88mm +3 Big Bore Kit Stage 2 Cam 426cc Top End Rebuild 2 Hotcam
Works on all Honda 400EX, 400X, and XR400R models and years
- 88mm heavy-duty big bore cylinder
- 88mm big bore Wiseco or Wossner forged piston
- Nitrite-coated piston rings
- Chrome wrist pin
- Circlips
- Stage 2 Hotcam
- SKF cam bearings (both)
- Cometic big bore top-end gasket kit
- MLS big bore head gasket
- Viton Valve Stem Seals
- Talon TITANIUM cylinder head stud kit - LIFETIME WARRANTY*
- NGK spark plug
- HD cam chain conversion
- No case or head mods required
- Runs on pump or race gas
1-year warranty on the complete kit for piece of mind