Order Status & Returns
Gift Cards
Help Center
1-800-345-4545
Product Discontinued
Currently Unavailable
This product is no longer available. Please call customer service for assistance at 1-800-345-4545.
- Intake Manifold Assembly
- 1999-2004 Mustang w/ 4V Heads
- Kit offers substantial improvement in both low- and high-RPM performance
- Daytona Prototype racing version of 397-M-9424-T46
- Variable Geometry design, changes the runner length according to the RPM of the engine
- Long runner setting at low RPM flattens the torque curve and overcomes the lack of low end torque common on 4V engines
- Short runner setting promotes high RPM power
- Fits FR500 heads or 1999-2004 4V production heads
- Throttle body location is correct for 1999-2001 Mustang Cobra
- Cast from magnesium alloy for lowest possible weight
- Ideal for road race applications
- Kit includes runner length change actuator
- Computer, air meter, injectors and fuel rails not included
BrandFORD PERFORMANCE
Package Height16.0
Package Width21.0
Package Length27.0
Weight30.0 PG
Part CategoryPerformance Parts
Package Qty1
Package TypeEA
No Questions
No Reviews
Items You Need
![Carburetor Stud Kit [2 in. long]](https://www.jegs.com/images/mini_200/500/555/555-15841.jpg)
![Carburetor Stud Kit [3 3/4 in. Long]](https://www.jegs.com/images/mini_200/500/555/555-15847.jpg)
![Carburetor Stud Kit [2 1/2 in. Long]](https://www.jegs.com/images/mini_200/500/555/555-15842.jpg)
![Carburetor Stud Kit [3 1/2 in. Long]](https://www.jegs.com/images/mini_200/500/555/555-15846.jpg)
![Carburetor Stud Kit [1 1/2 in. Long]](https://www.jegs.com/images/mini_200/500/555/555-15840.jpg)
![Carburetor Stud Kit [2 3/4 in. Long]](https://www.jegs.com/images/mini_200/500/555/555-15845.jpg)
Some parts are not legal for use in California or other states with similar laws / regulations
