YFZ450 YFZ 450 500cc Big Bore Stroker Kit Cases KPMI Valves Complete Rebuild Kit
YFZ450 YFZ 450 500cc Big Bore Stroker Kit Cases KPMI Valves Complete Rebuild Kit
YFZ450 YFZ 450 500cc Big Bore Stroker Kit Cases KPMI Valves Complete Rebuild Kit
YFZ450 YFZ 450 500cc Big Bore Stroker Kit Cases KPMI Valves Complete Rebuild Kit

YFZ450 YFZ 450 500cc Big Bore Stroker Kit Cases KPMI Valves Complete Rebuild Kit

$2,200.00
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Shipping calculated at checkout.
FITS ALL YAMAHA YFZ450 CARB MODELS AND YEARS!

BRAND NEW OEM CASES
98mm big bore cylinder
Wiseco JE or CP forged piston**
Hi temp piston rings
Wristpin
Circlips
Hotrods +3mm crank with rod
Main bearings
Transmission bearings
Shift Cam bearing
Water pump bearing and shaft
07+ After market oil pump
Complete gasket kit
Complete crankcase oil seal kit
Timing chain
HD clutch kit
MAXLOCK head stud kit
Install instructions*
Stickers

No mods of any kind are required to use this kit and piston runs on pump or race gas.  Original manufacturer's warranty applies*.

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.

If you call we answer, if you text we respond, if you have a question we respond. Sometimes we sleep so it could be next morning but we will respond.

Thank you for shopping with us! We appreciate you!

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