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Valve Spring Kit|SKU #80-80394-553
Kibblewhite Intake Exhaust Valve Spring Kit
$308.65$339.51
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Description
KPMI® valve springs are wound from Premium Kobe Super-Clean Chrome Silicon Wire. KPMI® valve springs are heat-treated, stress relieved, and shot-peened to ensure maximum performance and life. Springs are engineered for each specific application using proprietary advanced spring design simulation, and analysis software. Engineers pay special attention to cam and spring harmonics, stress, mass, and operating rpm.
Features
- These high quality replacement springs have been designed to exceeds the OEM specifications by fitting precisely on the spring shoulder diameter of both the OEM retainers, and KPMI® H.T. Steel retainers
- This kit also includes H.T. Steel basewashers in order to achieve a precision fitment on the large end of our beehive spring which, better controls the lateral motion of the spring, ensuring longer life and less wear on the valvetrain components
- KPMI® has gone a step further and specified the latest in spring materials and processing, an extremely robust design that will last longer than anything currently on the market
- Unique features of this spring include is beehive variable rate wind to reduce the chances of spring surge due to cam harmonics, Super-Clean Chrome Silicon wire with additional Vanadium and Nickel added, increased strength, and a gas nitrided and double shot peened finish, greater fatigue life
Specifications
Condition
New
SKU#
80-80394-553
Part
Valve Spring Kit
Material
Stainless Steel
Spring Seat Pressure
Intake 30 lb Exhaust 44 lb
Spring Open Pressure
Intake 90 lb, Exhaust 95 lb
Spring Lift
0.35 in
Sold in Units of
Kit
Gasket Application
Exhaust, Intake
Application
Exhaust, Intake
FitmentYamaha YZF R1
Vehicle Compatibility
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Brand Details
Kibblewhite Precision Machining™ has been manufacturing valvetrain components for over 80 years, continually innovating and expanding to become the company with the most extensive powersport product line. Whether you need Kibblewhite Intake Exhaust Valve Spring Kit or any other cylinder head kit, seals, studs, valves, guides, or anything else to repair your machine, you can be sure that you're getting the maximum value for your dollar in terms of performance and reliability.
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