- 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" Intake Lift/0.405" Exhaust 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 |
| 2017-2022 | Honda | CRF450R | |
| 2019-2021 | Honda | CRF450RWE | |
| 2017-2021 | Honda | CRF450RX | |