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⚠️ ATTENTION FELLOW PATRIOTS: BPRATV will be CLOSED on Friday, July 3rd, 2026, in observance of the Fourth of July holiday. We'll reopen and resume the grind for liberty on Monday, July 6th, 2026. Proceed accordingly. Muuurica! ⚠️
⚠️ ATTENTION FELLOW PATRIOTS: BPRATV will be CLOSED on Friday, July 3rd, 2026, in observance of the Fourth of July holiday. We'll reopen and resume the grind for liberty on Monday, July 6th, 2026. Proceed accordingly. Muuurica! ⚠️
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

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

by BPRATV
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$589.99
$589.99 - $589.99
$589.99
$484.45
$484.45 - $484.45
$484.45

 

  • Works on all Yamaha YFZ450R models and years
  • Stock bore heavy-duty cylinder
  • Wiseco, Wossner, 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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Honda 400EX Top End Rebuild Kit Wiseco 4606M08500 Stock Cylinder Assembly Parts

BPRATV
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1043-2, M2003, M2001,4606M08700,12100-KCY-670, 4606M08500, C7826, 71016-4, 12191-KCY-673, 30-33750, 13011-KCY-670, 90601-KA5-000, 13103-KCY-670, 13...

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400EX 400X Head Redo Valves Intake Exhaust Valve Springs Rocker Arms Rebuild Kit

BPRATV
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30-3111,30-3115,30-3117,14711-KCY-670,14721-KCY-670 8400003-2, 8400003-1,VES003, VIS003,X2VEK16000,X2VIK16000 28.1495-2, 28.1495-1,14711-KCY-670, 1...

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TRX400EX 400EX Timing Guide Guides Tensioner Chain Tensioner BPRATV HD Cam Chain

BPRATV
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FITS ALL HONDA 400EX 400X XR400R MODELS AND YEARSAftermarket Cam chain guide - Replaces OEM Part # 14620-KCY-670Aftermarket Cam cam chain tensioner...

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Honda 400EX 400X XR400R Exhaust Studs Titanium Head Pipe Stud Upgrade Kit Set

BPRATV Talon Titanium
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FITS ALL HONDA TRX400EX XR400R AND 400X MODELS AND YEARS Studs for all OEM and aftermarket exhaust systems All titanium stud and nut kit Made from ...

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Honda TRX 400EX XR400R 87mm Big Bore Kit +2mm Cylinder 416cc Top End Rebuild Kit

BPRATV
Low stock

1043-2, M2002, M2003, M2001,4606M08700,12100-KCY-670, 4606M08500, C7826, 71016-4, 12191-KCY-673, 30-33750, 13011-KCY-670, 90601-KA5-000, 13103-KCY-...

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