10-13 YZ450F YZ 450F Cylinder Complete Rebuilt Motor Engine Rebuild Parts Kit

• NEW aftermarket cylinder
• CP JE Wiseco or Wossner forged piston**
• Hi temp piston rings
• Chrome wristpin
• Circlips
• HD head stud kit
• Hotrods HD Crank with rod
• HD Main bearings
• Clutch kit
• Complete gasket kit
• Seal kit
• Water pump mechanical seal and bearing
• Timing chain

This is a bolt on kit with no machining required.  Piston uses pump or race gas. 

*Warranty: Unless otherwise stated, 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, and it is the responsibility of the person doing the work to ensure the parts work correctly.  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.  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.  Warranty does not cover any failure that is a result of improper installation, tuning, break in, maintenance, or misuse.  For any warranty to be considered the part(s) in question must first be sent back to us for inspection, NO EXCEPTIONS.  We do not warranty parts based on phone calls, photos, emails, or another mechanic's assessment alone.