YFZ450 YFZ 450 Stage 3 Hot Cams Big Bore Stroker 500 Complete Rebuild Kit Valves
YFZ450 YFZ 450 Stage 3 Hot Cams Big Bore Stroker 500 Complete Rebuild Kit Valves
YFZ450 YFZ 450 Stage 3 Hot Cams Big Bore Stroker 500 Complete Rebuild Kit Valves
YFZ450 YFZ 450 Stage 3 Hot Cams Big Bore Stroker 500 Complete Rebuild Kit Valves
YFZ450 YFZ 450 Stage 3 Hot Cams Big Bore Stroker 500 Complete Rebuild Kit Valves
YFZ450 YFZ 450 Stage 3 Hot Cams Big Bore Stroker 500 Complete Rebuild Kit Valves

YFZ450 YFZ 450 Stage 3 Hot Cams Big Bore Stroker 500 Complete Rebuild Kit Valves

Regular price$3,066.00
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Shipping calculated at checkout.

FITS ALL YAMAHA YFZ450 CARB MODEL YEARS AND MODELS!

98mm BPR big bore cylinder
Wiseco JE or CP forged piston**
Nitrite coated piston rings
Chrome wristpin
Circlips
Hotrods +3mm stroker crank with rod assembled
Hotcams Stage 3 Camshafts
Kibblewhite race valve spring kit
Kibblewhite stainless steel intake and exhaust valves
Crank bearings
Crank balancer bearings
Transmission bearings
Shift cam bearing
Water pump bearing
Water pump shaft with 
Maxlock TITANIUM head stud kit - THE BEST YOU CAN GET COMES WITH LIFETIME WARRANTY*!
Clutch kit
After market oil pump
Oil pump inner and outer rotors
K&N oil filter
NGK spark plug
Complete gasket kit
Cometic MLS big bore head gasket
Complete seal kit
Valve stem seals
Timing chain
Bolt on kit no machining required
Piston uses pump or race gas
All parts are brand new
1 year warranty*

 Returns: Please check your order completely when you receive it and contact us if there is an issue.  99% of problems can be easily solved without returning the entire order.  We accept returns within the first 30 days, and returned items are subject to a 10% restocking fee  Orders must be sent back 100% complete and all parts must be brand new, never installed, in the original packaging, to receive a refund for them.  Once items have been modified, installed, or used in any way they are not eligible for return.  It is the buyer’s responsibility to ensure returned parts arrive to us in the same condition they were when they left our facility.  

 *Warranty: We stand behind all parts we sell 100%.  If after installation there is an issue contact us for a warranty return.  This product is NOT DIY.  Over 99% of people in the world are not qualified to build an engine, and it is the responsibility of the person doing the work to ensure the parts work correctly.  We ALWAYS STRONGLY recommend parts be installed by a qualified, experienced mechanic.  STUD WARRANTY: If for any reason a stud fails during use, not installation, we will send a new, complete stud kit.  No other parts or any labor are included, and it cannot be converted to a refund or discount on any order.  ALPHA CUB WARRANTY: If your Alpha Cub cylinder fails for any reason not related to installation, tuning, break in, or misuse we will fix the cylinder free of charge.  If it cannot be fixed we will supply you with a new one.  Our warranty does not cover any failure that is a result of improper installation, tuning, break in, maintenance, or misuse.  For any warranty to be considered the part(s) in question must first be sent back to us for inspection, NO EXCEPTIONS.  We do not warranty parts based on phone calls, photos, emails, what you read online, or another mechanic's assessment alone.

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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Cut em Up!

Dune Goons Rider ~ Breanna
Showing her personal style and cutting the shirts up to her liking. We don't mind one bit! Cut em Up!