Description
they 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.
Best all around performance with ported heads with biggest improvements above 5000 RPM. Requires Spring Kit (unless using Boss heads).
Ford: Mustang 11 - 14 5 L Engine, Ford: F-150 11 - 14 5 L Engine, Lincoln: Mark LT 11 - 14 5 L Engine, Ford: Lobo 11 - 14 5 L Engine
| Air Freight Prohibited: false |
| Not Carb Approved: true |
| Carb Acknowledgement Required: true |
| Ltl Freight Required: false |
| Prop 65: Y |
| Part Type: automotive |
| Epa: N/A |
| Regular Stock: false |
| Units Per Sku: 1 |
Fitment