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NOTICE: DUE TO HIGH ORDER VOLUME, CURRENT HANDLING TIME IS 5-7 BUSINESS DAYS. OUR TEAM IS WORKING HARD TO PROCESS YOUR ORDERS AS QUICKLY AS POSSIBLE. WE TRULY APPRECIATE YOUR PATIENCE AND UNDERSTANDING. 🙏
NOTICE: DUE TO HIGH ORDER VOLUME, CURRENT HANDLING TIME IS 5-7 BUSINESS DAYS. OUR TEAM IS WORKING HARD TO PROCESS YOUR ORDERS AS QUICKLY AS POSSIBLE. WE TRULY APPRECIATE YOUR PATIENCE AND UNDERSTANDING. 🙏
Best YFZ450R YFZ 450R Top End Rebuild Kit Stock Standard Bore Upper Assembly Kit

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

by BPRATV
Save 27% Save 27%
$589.99
$589.99 - $589.99
$589.99
$432.24
$432.24 - $432.24
$432.24


  • 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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