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  See more parts for Yamaha WR450F
Select the year of your Yamaha WR450F:
KPMI Intake Valve Guide (Bronze) Yamaha YFZ450X | YZ450F | WR450F 2003-2016 - 80-80220
We choose to use C630 nickel bronze as a material to make valve guides because of its ideal characteristics for the application. The 5 percent nickel content provides superior resistance to wear, and the 80 percent copper content delivers outstanding heat conductivity. Guide profiles are designed to have minimal effect on the airstream while maintaining critical cross sectional thickness in high temperature areas, promoting high performance and endurance.

Fitments:
  • Yamaha YFZ450X SE 2011
  • Yamaha YFZ450R 2009-2016
  • Yamaha YFZ450R SE 2009-2016
  • Yamaha YFZ450X 2010-2011
  • Yamaha YFZ450X Bill Ballance 2010
  • Yamaha YFZ450 2004-2009
  • Yamaha YFZ450 SE 2007-2008
  • Yamaha YFZ450 Bill Balance Edition 2006-2007
  • Yamaha YZ450F 2003-2009
  • Yamaha WR450F 2003-2015

Other Part Numbers:
KPMI #191-54003

Proposition 65

⚠ WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

Vehicle Make/Model
Yamaha WR450F 2003-2015 Base
Yamaha YFZ450 2004-2009 Base
Yamaha YFZ450 Bill Balance Edition 2006-2007 Base
Yamaha YFZ450 SE 2007-2008 Base
Yamaha YFZ450R 2009-2016 Base
Yamaha YFZ450R SE 2009-2016 Base
Yamaha YFZ450X 2010-2011 Base
Yamaha YFZ450X SE 2011 Base
Yamaha YZ450F 2003-2009 Base

KPMI Logo

ABOUT KPMI

KPMI (Kibblewhite Precision Machining) is a global manufacturer and distributor of valvetrain and specialized tools and components for the racing area. The KPMI product line comprises of Harley-Davidson motorcycles, sports bikes, valves, dirt bikes, ATVs, UTVs, tourers, cruisers, customs, and classics, as well as Jet Skis, Water Skis, and watercraft.

History of KPMI

James L. Kibblewhite formed the legacy of Kibblewhite Precision Machining, Inc. in 1939. In 1989, James’s son, William F. Kibblewhite, took over the operation. William Kibblewhite built on his father's good work and added a lot more products to the line of the automotive industry.

KPMI EXPANSION

KPMI maintains a warehouse and supplies over 3,000 items to its consumers worldwide. There is no other company in the world that has such a wide range of products for the motorsports industry. Not only does KPMI manufacture finished products, but it also provides contract manufacturing services to OEMs and other third parties. Engineering, prototyping, and limited or full production runs are just some of the services they offer.

KPMI INNOVATION

KPMI has five locations and a combined total of over 20,000 square feet of a machine shop, office, engineering, and warehouse space. KPMI has invested heavily in upgrading its operations during the last five years. As a company, they have eleven cutting-edge CNC lathes and other cutting-edge tools in their entire facility.

KPMI Quality

KPMI's objective is to supply consumers with products that function correctly the first time and deliver the best value for money in terms of reliability and performance. None of their products reaches final approval without first enduring a development flow procedure. Three signatures from engineering and one from production are required for final evaluations. This means that each product undergoes three independent assessments throughout its development process before a final product is launched.

VIVID RACING- KPMI

Vivid Racing includes a wide collection of KPMI valve products, such as exhaust and intake valves, wrist bushing twins, service kits, seal valves, spring kits, and many more!

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