Banshee 521 10mm Super Cub Engine Top Bottom End Assembly Rebuild Kit

• CP Industries 521cc 72x64mm nikasil plated cylinder
• Wiseco Racer Elite moly coated 72mm forged pistons
• Nitrite coated piston rings
• Chrome wristpins
• Circlips
• Crankworks +10mm forged crankshaft with 115mm rods
• Complete gasket kit
• Cometic one-piece Supercub base gasket
• Crankcase oil seal kit
• Supercub cool head O-ring kit
• Talon heavy duty clutch kit
• CNC clutch pusher with SKF thrust bearing
• Silicon nitride ceramic clutch ball
• Genuine Moto Tassinari V-Force 4 carbon fiber reeds
• Wrist pin bearings
• TZ and maxload outer crank bearings
• Transmission bearings
• Shift cam bearing
• Water pump bearing
• Billet water pump impeller
• Billet water pump gear
• Maxlock Grade 5 TITANIUM top end stud kit with allen head studs and nuts for cylinders to head and cylinders to crankcases
• Grade 5 Titanium extended studs - NO MORE STUD EXTENDERS
• Water jacket plugs
• Titanium 12 point base nuts
• NGK spark plugs
• Crankcases must be modified for all 72mm Supercub cylinders (we can do this for you)
• Additional parts required for this engine to run properly include exhaust, larger carbs, and Supercub head (We have all of these)
• The Supercub was designed by CPI to run on at least 100 octane+ fuel
• 6 month warranty*

*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.  It requires special tools and has to be done 100% correct.  Many parts must be measured down to .01”.  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.  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 can not 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 can not 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 DO NOT WARRANTY ANYTHING BASED ON WHAT ANOTHER MECHANIC SAYS IS THE PROBLEM.