Hedman Long Tube Headers 1-3/4” Uncoated 351-400M Bronco 1978-1979
Highlights
- Hand-Welded in the USA
- Improved Exhaust Flow
- Constructed from Mild Steel
- Increased Horsepower & Torque
Hedman Uncoated Long Tube Headers with 1-3/4” Primaries for 1978-1979 Ford Broncos with 351-400M Engines.
Hedman Long Tube Headers with 1-3/4” Primaries are an excellent way to upgrade your 1978-1979 Ford Bronco with 351-400M Engine. These headers fit your factory profile heads and feature a unique gasketless ball-and-socket design that simplifies installation and eliminates the need to have everything perfectly aligned. The long, smooth-flowing 1-3/4” tubing provides excellent exhaust flow, allowing the engine to create extra horsepower and torque.
Fitment & Features:
- Ford Modified Block Engine Version
- Ford 351-400M Engines
- 4WD Applications
- Fits Factory Profile Heads
- Oval Cylinder Head Port Shape
- Long Tube 1-3/4” Headers (Pair)
- Gaskets, 2-1/2” Reducers, 3” Collector, and Hardware
- Compatible with Manual and Automatic Transmissions
- Mild Steel Standard Duty Construction
- Made in the USA
These Hedman Headers are uncoated and are shipped from the factory with a temporary black coat that will burn off under normal operating conditions. Each pair of Hedman Long Tube Headers is crafted from CNC mandrel bent mild steel and is hand-welded to ensure consistent quality.
Emission Disclosure:
- E.O. Approved
- E.O. # D167-27
California Residents: Proposition 65 Warning
This item is 50-state legal (CARB E.O. Number D167-27)

Vehicle Fitment
This product will fit the following Bronco years: