14+ YFZ450R YFZ 450R Complete Ported Head Porting Assembled Kibblewhite Valves
14+ YFZ450R YFZ 450R Complete Ported Head Porting Assembled Kibblewhite Valves
14+ YFZ450R YFZ 450R Complete Ported Head Porting Assembled Kibblewhite Valves
14+ YFZ450R YFZ 450R Complete Ported Head Porting Assembled Kibblewhite Valves
14+ YFZ450R YFZ 450R Complete Ported Head Porting Assembled Kibblewhite Valves
14+ YFZ450R YFZ 450R Complete Ported Head Porting Assembled Kibblewhite Valves
14+ YFZ450R YFZ 450R Complete Ported Head Porting Assembled Kibblewhite Valves

14+ YFZ450R YFZ 450R Complete Ported Head Porting Assembled Kibblewhite Valves

Regular price$2,649.00
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Shipping calculated at checkout.

Compatibility

This part is compatible with 9 vehicle(s)
Notes Year Make Model Submodel
2021 Yamaha YFZ450R --
2020 Yamaha YFZ450R --
2019 Yamaha YFZ450R --
2018 Yamaha YFZ450R --
2017 Yamaha YFZ450R --
2016 Yamaha YFZ450R --
2016 Yamaha YFZ450R Special Edition
2015 Yamaha YFZ450R --
2014 Yamaha YFZ450R --

 

FITS '14+ YAMAHA YFZ450R MODELS!

 

 Brand new OEM Yamaha cylinder head
Full race port and polish
Guides cut
Kibblewhite lightweight race valve spring kit
Kibblewhite stainless steel valves
Viton valve stem seals
Valve keepers
Complete head assembly

 

It will make a great addition to your stock or built motor.  Everything is new in the original packaging.  We are an authorized distributor and the original manufacturer’s warranty applies*.  PRICES AND LISTINGS ARE SUBJECT TO CHANGE AT ANY TIME WITHOUT NOTICE.

 

 *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.  It requires special tools and has to be done 100% correct.  Many parts must be measured down to .01”.  We ALWAYS STRONGLY recommend parts be installed by a qualified, experienced mechanic.  Warranty does not cover failure that is a result of improper installation, tuning, break in, or misuse.  For any warranty to be considered the part(s) in question must first be sent back to us for inspection.  We do not warranty parts based on phone calls, photos, or another mechanic's assessment alone.  It is the responsibility of the person assembling and tuning the parts to make sure they work correctly.  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 can not be converted to a refund or discount on any order.  Studs must be returned to us for inspection first.  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 can not be fixed we will supply you with a new one.  It must be sent to us for inspection, and Millennium Technologies will determine if the cylinder is repairable.  WE DO NOT WARRANTY ANYTHING BASED ON WHAT ANOTHER MECHANIC SAYS IS THE PROBLEM.

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!