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1980 GMC K3500 Brands
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Key Features:- Standard Header
- Primary Tube Coll. Size 1.75x3 in.
- w/o A.I.R. Tubes
- Modify Stock Exh. To Retain Cat. Converter
Fitment:
1980 GMC K3500 BASE, High Sierra, Sierra Classic, Sierra Grande / 7.4L V8 GAS / Automatic Trans
$237.95 -
Key Features:- Afterburner Headers
- Standard
- w/o A.I.R. Tubes
- Modify Stock Exh. To Retain Cat. Converter
Fitment:
1980 GMC K3500 BASE, High Sierra, Sierra Classic, Sierra Grande / 5.7L V8 GAS, 6.6L V8 GAS
$308.33 -
Key Features:- Standard Header
- Prim. Tube Coll. Size 1.5x3 in.
- w/o A.I.R. Tubes
- Modify Stock Exh. To Retain Cat. Converter
Fitment:
1980 GMC K3500 BASE, High Sierra, Sierra Classic, Sierra Grande / 5.7L V8 GAS, 6.6L V8 GAS
$226.95 -
Key Features:- Ceramic Header
- Prim. Tube Coll. Size 1.5x3 in.
- w/o A.I.R. Tubes
- Modify Stock Exh. To Retain Cat. Converter
Fitment:
1980 GMC K3500 BASE, High Sierra, Sierra Classic, Sierra Grande / 5.7L V8 GAS, 6.6L V8 GAS
$469.95 -
Key Features:- Ceramic Header
- Primary Tube Coll. Size 1 5/8x2.5 in.
- w/o AIR Tubes
- Modify Stck Exh. To Retain Cat. Converter
Fitment:
1980 GMC K3500 BASE, High Sierra, Sierra Classic, Sierra Grande / 5.7L V8 GAS, 6.6L V8 GAS / Automatic Trans, Manual Trans
$469.95 -
Key Features:- Ceramic Header
- Primary Tube Coll. Size 1.75x3 in.
- Modify Stock Exh. To Retain Cat. Converter
Fitment:
1980 GMC K3500 BASE, High Sierra, Sierra Classic, Sierra Grande / 7.4L V8 GAS / Automatic Trans
$463.95 -
Key Features:- Standard Duty Uncoated Headers
- Tube Size 1.625 in.
- Collector Size 3 in.
- w/A.I.R System
- Full Length Long Tube
- Uncoated
Fitment:
1980 GMC K3500
$445.57 -
Key Features:- Standard Duty Uncoated Headers
- Tube Size 1.75 in.
- Collector Size 3 in.
- Tubular Exhaust Manifold Sytm
- Square Port
- 16 Gauge Tubing
- Full Length Long Tube
- Uncoated
- Intended For Race Use Only
- Not Legal For Sale Or Use In California
Fitment:
1980 GMC K3500 GAS
$442.76 -
- Exhaust Header
- Header Style: Long Tube
- Primary Tube Diameter: 1.50"
- Collector Diameter: 3.00"
- Material: Mild Steel
Fitment:
1980 GMC K3500 BASE, High Sierra, Sierra Classic, Sierra Grande / 6.6L V8 GAS
$405.95 -
- Exhaust Header
- Header Style: Long Tube
- Primary Tube Diameter: 1.50"
- Collector Diameter: 3.00"
- Material: Mild Steel
Fitment:
1980 GMC K3500 BASE, High Sierra, Sierra Classic, Sierra Grande / 5.7L V8 GAS, 6.6L V8 GAS
$342.65 -
- Exhaust Header
- Header Style: Long Tube
- Primary Tube Diameter: 1.63"
- Collector Diameter: 2.50"
- Material: Mild Steel
Fitment:
1980 GMC K3500 BASE, High Sierra, Sierra Classic, Sierra Grande / 5.7L V8 GAS, 6.6L V8 GAS
$196.95 -
Key Features:- Upright Headers
- 2 1/4 in. Primary Tubing
- 4 in. Collector
- For Use w/Big Block Chevy
- Natural Finish
Fitment:
1980 GMC K3500 BASE, High Sierra, Sierra Classic, Sierra Grande / 7.4L V8 GAS
$434.95 -
- Quantity: Sold as a pair.
- Collector Attachment: 3-bolt flange
- Collector Diameter: 3.000 in.
- Bolts/Studs Included: Yes
- Gaskets Included: Yes
- Header Style: Full-length
- Header Material: Steel
- Header Finish: Silver ceramic coated
- Weld-Up: No
- Primary Tube Diameter (in): 1 3/4 in.
- Cylinder Head Port Shape: Oval
- Tuned: No
- Primary Tube Gauge: 16-gauge
- Flange Style: Standard
- Flange Thickness (in): 5/16 in.
- Reducers Included: No
- Y-Pipe Included: No
- Motor Mounts Included: No
- Transmission Mount Included: No
- Primary Tube Length (in): 31 in.
Fitment:
1980 GMC K3500 BASE, High Sierra, Sierra Classic, Sierra Grande / 7.4L V8 GAS
$737.95 -
- Quantity: Sold as a pair.
- Collector Attachment: 3-bolt flange
- Collector Diameter: 2.500 in.
- Bolts/Studs Included: Yes
- Gaskets Included: Yes
- Header Style: Block hugger
- Header Material: Steel
- Header Finish: Silver ceramic coated
- Weld-Up: No
- Primary Tube Diameter (in): 1 5/8 in.
- Cylinder Head Port Shape: D-port
- Tuned: Yes
- Primary Tube Gauge: 18-gauge
- Flange Style: Standard
- Flange Thickness (in): 5/16 in.
- Reducers Included: No
- Y-Pipe Included: No
- Motor Mounts Included: No
- Transmission Mount Included: No
Fitment:
1980 GMC K3500 BASE, High Sierra, Sierra Classic, Sierra Grande / 5.7L V8 GAS, 6.6L V8 GAS
$642.95 -
Key Features:- Upright Headers
- 1 5/8 in. Primary Tubing
- 3 in. Collector
- 409 Stainless Steel
- Natural Finish
- For Use w/Small Block Chevy
Fitment:
1980 GMC K3500 BASE, High Sierra, Sierra Classic, Sierra Grande / 5.7L V8 GAS, 6.6L V8 GAS
$352.95 -
If you're looking for the perfect headers, there is no better brand than Hedman Hedders! With Hedman's headers you receive an excellent combination of high quality and superior endurance. Hedman Standard Duty Series headers are available with three types of finish: Black Maxx, HTC, and Uncoated. Best of all, these outstanding headers are manufactured in the USA and come with a lifetime warranty against manufacturing defects. Plus, the Black Maxx and HTC coatings are provided with a 5-year warranty. Free shipping to all of USA!Fitment:
1980 GMC K3500 7.4L V8 / 4 Wheel Drive
$620.05 -
Key Features:- Standard Duty HTC Coated Headers
- Tube Size 1.75 in.
- Collector Size 3 in.
- Full Length Long Tube
- Polished Ceramic Metallic
Fitment:
1980 GMC K3500 7.4L V8 / 4 Wheel Drive
$636.19 -
- Exhaust Header
- Series: Afterburner
- Header Style: Long Tube
- Primary Tube Diameter: 1.63"
- Collector Diameter: 3.00"
- Material: Mild Steel
Fitment:
1980 GMC K3500 BASE, High Sierra, Sierra Classic, Sierra Grande / 5.7L V8 GAS, 6.6L V8 GAS
$518.95 -
- Exhaust Header
- Header Style: Long Tube
- Primary Tube Diameter: 1.63"
- Collector Diameter: 2.50"
- Material: Mild Steel
Fitment:
1980 GMC K3500 BASE, High Sierra, Sierra Classic, Sierra Grande / 5.7L V8 GAS, 6.6L V8 GAS
$405.95 -
Key Features:- Upright Headers
- 2 1/4 in. Primary Tubing
- 4 in. Collector
- For Use w/Big Block Chevy
Fitment:
1980 GMC K3500 BASE, High Sierra, Sierra Classic, Sierra Grande / 7.4L V8 GAS
$474.95