CRF450R 09–12 Big Bore + Stroker Motor Rebuild Kit — 99mm Cylinder, Stroker Crank, Clutch Kit
SKU 255048394645
Fits all 2009–2012 Honda CRF450R models.
Boost your power with this complete bolt-on big bore and stroker kit — no machining required!
✅ 99mm Big Bore Aftermarket Cylinder
✅ Wiseco, CP, or JE Forged Piston
✅ High-Performance Piston Rings
✅ Chrome Wristpin and Circlips
✅ Hotrods +3mm Stroker Crankshaft with Rod
✅ Crankshaft Main Bearings
✅ Transmission Bearings
✅ Water Pump Bearing
✅ Full Top & Bottom End Gasket Kit
✅ Complete Seal Kit with Water Pump Mechanical Seal
✅ Cam Chain
✅ Heavy Duty Clutch Kit
✅ MaxLock-Style Head Stud Kit
Piston is compatible with pump gas or race gas.
All parts are brand new and come with the original manufacturer’s warranty*.
Warranty:
All parts must be installed by a qualified mechanic. Warranty covers manufacturing defects only and does not cover failures caused by improper installation, tuning, or misuse. For any warranty claims, parts must be returned for inspection.
We ship next day most of the time. Modquad parts are shipped Monday-Thursday. Engine Kits are 3-5 business days.
We don't do backorder! If your items has already sold you will be notified immediately and you money refunded on the spot.
Sold items are removed daily.
If you see it on this website, it is 100% in stock unless it just sold before you clicked buy.
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