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SHIPPING UPDATE: Due to high demand, orders are currently processing in 3-5 business days. Need it faster? Contact us to upgrade to expedited shipping! If you’ve found the item elsewhere or can’t wait, no problem—we completely understand. Just reach out to us, and we’ll cancel your order. Thanks for your patience and support! BRAPPPPPPPPPP!
SHIPPING UPDATE: Due to high demand, orders are currently processing in 3-5 business days. Need it faster? Contact us to upgrade to expedited shipping! If you’ve found the item elsewhere or can’t wait, no problem—we completely understand. Just reach out to us, and we’ll cancel your order. Thanks for your patience and support! BRAPPPPPPPPPP!

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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Pickup available at 1538 Howard Access Road

Usually ready in 24 hours

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