Product Details
GMC Jimmy Base 4WD 5.7L / 6.6L with Power Steering, Automatic Transmission Column Shifter / Automatic Transmission Floor Shifter / Manual Transmission Column Shifter / Manual Transmission Floor Shifter 1975, Elite Ultra-Duty Street Black MAXX Satin Black Ceramic-Metallic Mild Steel Long Tube Exhaust Headers by Hedman Hedders®. Includes parts necessary to retain emission devices. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 2.5". Color: Black. Header Coating: Ceramic. Header Style: Long Tube. Hedman's Elite Hedders are the best you can buy. They have thicker Flanges. stronger wall tubing and a thermal coating that withstand full-throttle thrashing and torturous towing. The extreme-duty construction protects against burnout and exhaust leaks caused by the excessive heat and vibration present in high performance and towing applications. ELITE Hedders outlast and outperform ordinary headers. Hedman's ELITE Hedders are the best you can buy. They have thicker flanges. stronger wall tubing and a thermal coating that withstand full-throttle thrashing and torturous towing.
Notes
- Installing coated headers on an engine during the break-in period will cause discoloration. It is recommended the use of factory manifolds, or an old set of headers, during the engine break-in period
- Modification to stock exhaust required to retain catalytic converter
- Elite replacement gasket #27520
Fitment notes
- Fits Models with Air Conditioning 1970 or later only- A/C equipped vehicles require bracket #20110 (Large piston compressor)
- Some vehicles may encounter clutch shaft interference when cross shaft location is located under or behind the driver's side rear exhaust port. Use #69092 without A.I.R. Use #69093 with A.I.R. Order Elite #69892
- This model is recommended for use with lift kits
- Must modify rotary A/C bracket
Specifications
Series: Elite Ultra-Duty Street |
Header Material: Mild Steel |
Finish: Black MAXX Satin Black Ceramic-Metallic |
Header Style: Long Tube |
Primary Diameter: 1.625" |
Collector Diameter: 2.5" |
Flange Thickness: 0.375" |
Tuned: No |
Crossover Pipe Included: No |
Gasket or Seal Included: Yes |
Quantity: 1 Pair |
Inlet Port Shape: Oval |
Primary Tube Gauge: 14G |
Port shape: Oval |
Includes
- One Pair of Headers
- Head Flange Gaskets
- Collector Flange Gaskets
- 3-Bolt Exhaust Adapters
- Mounting Hardware
Features
- Made of High Quality Materials
- Ideal for Heavy Duty Applications
- Made in the USA
The extreme-duty construction protects against burnout and exhaust leaks caused by the excessive heat and vibration present in high performance and towing applications. ELITE Hedders outlast and outperform ordinary headers.
All Hedman street Hedders are MADE IN THE USA, and are backed by a lifetime warranty against manufacturing defects! Our HTC coating is covered for a full 5 years.
Installing coated headers on an engine during the break-in period will cause discoloration. It is recommended the use of factory manifolds, or an old set of headers, during the engine break-in period.
Hedman Hedders®, a prominent header manufacturer for racing and street header marketplaces, started as a one-man shop in 1954. At first the company's products were designed for straightline drag racers. Over time they became highly popular with elite racing engine builders and racers for their outstanding performance and proven reliability. Made to environmental requirements using the latest computer technology, Hedman Hedders headers are guaranteed to outlast any headers you've used before.