TRX400EX TRX 400EX 87 mil Big Bore 416 Cylinder Complete Rebuilt Top End Rebuild

• NEW 87mm cylinder
• Wiseco CP or JE forged piston**
• Hi temp piston rings
• Chrome wristpin
• Circlips
• Maxlock 4135 alloy steel head stud kit 
• NGK park plug 
  
• Cometic top end gasket kit
  
• MLS big bore head gasket
• HD timing chain conversion

*Warranty: This product is NOT DIY and it is the responsibility of the person installing and tuning the parts to ensure they work correctly.  Over 99% of people in the world are not qualified to build an engine, and we ALWAYS STRONGLY recommend parts be installed by a qualified, experienced mechanic. 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.  Studs must be returned to us for inspection first.  ALPHA CUB WARRANTY: If your Alpha Cub cylinder fails and cannot be repaired it will be replaced.  It must be sent to us for inspection, and Millennium Technologies will determine if the cylinder is repairable.  Warranties for all products we sell 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, emails, what you read online, or another mechanic's assessment alone