YFZ450 YFZ 450 Big Bore Kit Stage 3 Hotcams Hot Cams 98mm Cylinder CP Piston

FITS ALL YFZ450 CARB MODEL ATVs - DOES NOT FIT DIRT BIKE OR FUEL INJECTED MODELS 

• 98mm big bore cylinder
• Wiseco JE or CP forged piston**
• Hi temp piston rings
• Wristpin
• Circlips
• Stage 3 Hotcams
• Big Bore top end gasket kit
• MLS head gasket
• TITANIUM head stud kit - LIFETIME WARRANTY*!
• Stickers
• All parts are brand new
• 1 year warranty*

 *Warranty: We stand behind all parts we sell 100%.  This product is NOT DIY and it is the responsibility of the person installing them to ensure they work correctly.  Over 99% of people in the world are not qualified to build an engine.  It requires special tools and has to be done 100% correct.  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, emails, what you read online, or another mechanic's assessment alone.  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 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.