- 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
- 0.440" Spring Lift
Kit Includes:
- 2x Intake CrSi Valve Springs
- 2x Exhaust CrSi Valve Springs
- 2x Intake Titanium Retainers
- 2x Exhaust Titanium Retainers
- 2x Intake H.T. Steel Basewashers
- 2x Exhaust H.T. Steel Basewashers
NOTE: Exhaust springs include a progressively wound inner spring, which should be installed with the tightly wound end seated on the H.T. steel basewashers.
| Compatible Vehicles | |||
| Years | Make | Make | Notes |
| 2006-2009 | Honda | TRX450ER Electric Start | |
| 2012-2014 | Honda | TRX450ER Electric Start | |
| 2006-2009 | Honda | TRX450R Kick Start | |