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

– The Best Parts. The Best Performance. The Best Price. BRAPPPPPPPPPP! 3P-426, 4606M08800, C7826, 1043-2,12100-KCY-670, 4606M08500, C7826, 71016-4, 12191-KCY-673, 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