Description
Features
- Compatible with boosted or turbocharged applications
- Designed with increased spring rates and high lift compatibility compared to the stock springs
- CNC-machined titanium or H.T. (Heat Treated) Steel retainers and Cr-Si (Chromium Silicon) alloy dual springs provide valvetrain control at high rpms with high-performance camshaft capability
- Made in the USA
| Position | Notes | |||
|---|---|---|---|---|
| 2002-2004 | Yamaha | YFM660F Grizzly 4x4 | - | - |
| 2001-2005 | Yamaha | YFM660R Raptor | - | - |
| 2007-2008 | Yamaha | YFM 660 FG Grizzly 4x4 | - | - |
| 2004-2007 | Yamaha | YXR66F Rhino 660 | - | - |
