TRX 400EX 400X XR 88m Big Bore Kit Stage 3 Hotcam Hot Cam +3 Top End Rebuild Kit

• NEW aftermarket 88mm cylinder
• Wiseco JE or CP forged big bore piston**
• Piston is hi comp pump gas version
• Hi temp piston rings
• Chrome wristpin
• Circlips
• Stage 3 Hotcam
• Camshaft bearings
• Maxlock 4135 heat treated alloy steel head 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

*Warranty: We stand behind all parts we sell 100%.  If after installation there is an issue contact us for a warranty return.  This product is NOT DIY.  Over 99% of people in the world are not qualified to build an engine.  STUD WARRANTY: If for any reason a stud fails during use, not installation, we will send a new, complete stud kit.  No other parts or any labor are included, and it cannot be converted to a refund or discount on any order.  ALPHA CUB WARRANTY: If your Alpha Cub cylinder fails for any reason not related to installation, tuning, break in, or misuse we will fix the cylinder free of charge.  If it cannot be fixed we will supply you with a new one.  It must be sent to us for inspection, and Millennium Technologies will determine if the cylinder is repairable.  We ALWAYS STRONGLY recommend parts be installed by a qualified, experienced mechanic.  Warranty does not cover failure that is a result of improper installation, tuning, break in, or misuse.  For any warranty to be considered the part(s) in question must first be sent back to us for inspection.  We do not warranty parts based on phone calls, photos, or another mechanic's assessment alone.  It is the responsibility of the person assembling and tuning the parts to make sure they work correctly.