400EX 400X 89mm Hi Comp Big Bore Kit Race Gas 12.5:1 Piston +4 Rebuild 440cc Kit
M2033,4667M08900,12100-KCY-670, 4606M08500, C7826, 71016-4, 12191-KCY-673, 30-33750, 13011-KCY-670, 90601-KA5-000, 13103-KCY-670, 13111-KCY-670, 12251-HN1-003, 12209-KL4-005, C7825, 808894, 822278, 4040, 4606M08700, C7826, H0402027S, 4606M08800, 4667M08900, 808829, M2033, 8604DA
- NEW 89mm big bore cylinder
- 89mm Wiseco 12.5:1 big bore forged piston
- Nitrite-coated piston rings
- Chrome wrist pin
- Circlips
- Cometic big bore top-end gasket kit
- Cometic MLS head gasket
- Talon TITANIUM cylinder head stud kit - LIFETIME WARRANTY*!
- NGK spark plug
- HD cam chain conversion
- Piston uses pump or race gas
- Works on all Honda 400EX, 400X, and XR400R models and years
- 1-year warranty*