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IMPORTANT NOTICE: Due to the increase in fraudulent orders, the billing and shipping addresses must match when placing your order. We appreciate your patience and understanding.
IMPORTANT NOTICE: Due to the increase in fraudulent orders, the billing and shipping addresses must match when placing your order. We appreciate your patience and understanding.

Best YFZ450R YFZ 450R Top End Rebuild Kit Stock Standard Bore Upper Assembly Kit

by BPRATV
Save 23% Save 23%
Original price $589.99
Original price $589.99 - Original price $589.99
Original price $589.99
Current price $454.99
$454.99 - $454.99
Current price $454.99


  • Works on all Yamaha YFZ450R models and years
  • Stock bore heavy-duty cylinder
  • Wiseco CP or JE forged piston*
  • Chrome wrist pin 
  • Nitrite-coated piston rings
  • Circlips
  • Top-end gasket kit
  • MLS head gasket
  • Cam timing chain
  • Talon TITANIUM cylinder head stud kit - LIFETIME WARRANTY**
  • Runs on pump or race gas
  • All new parts
  • 1-year warranty**




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