KPMI 80-80030 RACING VALVE SPRING KIT
Manufacturer Part Number: 80-80030
WPS Part Number: 191-24006
Product Type: Engine
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.
Features
- 80 Lbs of Seat Pressure / 205 Lbs @ 0.435" Lift (Max)
- Spring kit is designed for compatibility with the OEM integrated Seal/Base (OE# 3610212) where applicable
- Lightweight heat treated Steel Retainer and Beehive Spring reduce reciprocating mass while providing the spring forces required by high performance boosted racing applications.
Verified Vehicle Fitment
- 2002 Yamaha YFM660FG Grizzly 4WD [IRS]
- 2003 Yamaha YFM660FG Grizzly 4WD [IRS]
- 2004 Yamaha YFM660FG Grizzly 4WD [IRS]
- 2005 Yamaha YFM660FG Grizzly 4WD [IRS]
- 2006 Yamaha YFM660FG Grizzly 4WD [IRS]
- 2007 Yamaha YFM660FG Grizzly 4WD [IRS]
- 2008 Yamaha YFM660FG Grizzly 4WD [IRS]
- 2001 Yamaha YFM660R Raptor
- 2002 Yamaha YFM660R Raptor
- 2003 Yamaha YFM660R Raptor
- 2004 Yamaha YFM660R Raptor
- 2005 Yamaha YFM660R Raptor
- 2004 Yamaha YXR660F Rhino 660
- 2005 Yamaha YXR660F Rhino 660
- 2006 Yamaha YXR660F Rhino 660
- 2007 Yamaha YXR660F Rhino 660
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