Pax Racing "EVC" (EXHAUST VELOCITY CONTROLLER) is a progressively wound spring that will give your bike much more mid-range power without taking away from your low-end or top-end power.
Gas Gas MC65 2021+
Husqvarna TC65 2017+
KTM SX65 2009+
Please contact us at Pax Racing with any special requests and special orders.
- Model: PAX-PVSP-KTM
- Weight: 3.00g
- Dimensions: 2.00in x 1.00in x 1.00in
- MPN: PAX-PVSP-KTM