FITS ALL HONDA 400EX 400X XR400 MODELS AND YEARS

• NEW aftermarket 89mm big bore cylinder
• Wiseco or CP forged piston**
• The piston is hi comp RACE GAS ONLY version
• Nitrite-coated piston rings
• Chrome wrist pin
• Circlips
• Stage 2 Hotcam
• Camshaft bearings
• Maxlock 4135 heat-treated alloy steel or Talon Titaniumhead stud kit – LIFETIME WARRANTY*!
• Cometic top-end gasket kit
• MLS head gasket
• Timing chain
• Kibblewhite Viton valve stem seals
• Stickers
• Runs on pump or race gas
• Fits all models and years with no mods required