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Racing Valve Spring Kit

Original price was: $178.19.Current price is: $153.95.

For 01-08 Yamaha YFM660 YXR660

In stock

SKU: 80-80030KIB Category:

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 insure 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.
80-80030 made by Kibblewhite

Additional information

Weight 0.50 lbs
Dimensions 8.20 × 4.90 × 1.40 in

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Make Model Engine Year
Yamaha ATV / SxS YFM660 Grizzly 660 2002 - 2003
Yamaha ATV / SxS YFM660 Grizzly Auto 4x4 660 2004 - 2008
Yamaha ATV / SxS YFM660R Raptor 660 2001 - 2005
Yamaha ATV / SxS YXR660 Rhino 660 2004 - 2007

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