- Exhaust Spring Coil Bind: 17.780mm
- Exhaust Spring Installed Force: 55lb
- Exhaust Spring Installed Height: 30.607mm
- Exhaust Spring Maximum Lift: 11.430mm
- Exhaust Spring Open Force: 145lb
- Exhaust Spring Open Heigh: t8.763mm
- Exhaust Spring Rate: 270in-lb
- Intake Spring Coil Bind: 17.780mm
- Intake Spring Installed Force: 55mm
- Intake Spring Installed Height: 30.607mm
- Intake Spring Maximum Lift: 11.430mm
- Intake Spring Open Force: 145mm
- Intake Spring Open Height: 8.763mm
- Intake Spring Rate: 270in-lb
- Made in the U.S.A.
| Compatible Vehicles | |||
| Years | Make | Make | Notes |
| 2001-2005 | Yamaha | Raptor 660R YFM660R | |