Description:

Mutha' Thumpr NSR Cams for 2015- 2017 Ford 5.0L Coyote. See 243700 for Thumpr NSR Cams for 2015- 2017 Ford 5.0L Coyote._x000D_ Although this product fits on Ford F-150they are designed for Ford Mustang firing order. To use on F-150, the firing order must be updated from 1-5-4-2-6-3-7-8 to the Mustang Firing order 1-3-7-2-6-5-4-8.