KPMI 80-80750 RACING VALVE SPRING KIT
Manufacturer Part Number: 80-80750
WPS Part Number: 191-24003
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
- 2010 Yamaha YZ450F
- 2011 Yamaha YZ450F
- 2012 Yamaha YZ450F
- 2013 Yamaha YZ450F
- 2014 Yamaha YZ450F
- 2015 Yamaha YZ450F
- 2016 Yamaha YZ450F
- 2017 Yamaha YZ450F
- 2018 Yamaha YZ450F
- 2019 Yamaha YZ450F
- 2016 Yamaha YZ450FX
- 2017 Yamaha YZ450FX
- 2018 Yamaha YZ450FX
- 2019 Yamaha YZ450FX
- 2020 Yamaha YZ450FX
Yes