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Hedman Hedders Standard Uncoated Headers; 1-5/8 in. Tube Dia.; 2-1/2 in. Coll.; SHORTY Design - Main Product View
Hedman Hedders Standard Uncoated Headers; 1-5/8 in. Tube Dia.; 2-1/2 in. Coll.; SHORTY Design - Side View
Hedman Hedders Standard Uncoated Headers; 1-5/8 in. Tube Dia.; 2-1/2 in. Coll.; SHORTY Design - Back View
Hedman Hedders Standard Uncoated Headers; 1-5/8 in. Tube Dia.; 2-1/2 in. Coll.; SHORTY Design - Installation View
Hedman Hedders Standard Uncoated Headers; 1-5/8 in. Tube Dia.; 2-1/2 in. Coll.; SHORTY Design - Additional View 5
Hedman Hedders Standard Uncoated Headers; 1-5/8 in. Tube Dia.; 2-1/2 in. Coll.; SHORTY Design - Additional View 6
Hedman Hedders Standard Uncoated Headers; 1-5/8 in. Tube Dia.; 2-1/2 in. Coll.; SHORTY Design - Additional View 7
Hedman Hedders Standard Uncoated Headers; 1-5/8 in. Tube Dia.; 2-1/2 in. Coll.; SHORTY Design - Additional View 8
Hedman Hedders Standard Uncoated Headers; 1-5/8 in. Tube Dia.; 2-1/2 in. Coll.; SHORTY Design - Additional View 9
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Hedman Hedders Standard Uncoated Headers; 1-5/8 in. Tube Dia.; 2-1/2 in. Coll.; SHORTY Design 28170 fits 1964-1972 Pontiac GTO / LeMans / Tempest

⚠️ Please verify fitment before purchasing. Check the fitment chart below or use the Year/Make/Model tool to confirm this part fits your vehicle.

⚠️ Verify fitment before purchasing. Check the fitment chart below or click the 3 lines in the top left menu, select Home, then use the Year/Make/Model guide.

Hedman Hedders
28170
In stock
$894.48 USD $448.99 USD
$448.99 USD
Hedman Hedders Standard Uncoated Headers; 1-5/8 in. Tube Dia.; 2-1/2 in. Coll.; SHORTY Design 28170 fits 1964-1972 Pontiac GTO / LeMans / Tempest
Description
Standard Uncoated Headers; 1-5/8 in. Tube Dia.; 2-1/2 in. Coll.; SHORTY Design


Specifications:

Description_DEF [B@7107f277
Description_DES [B@1810b9f
Description_EXT [B@34fa1e05
Description_FAB [B@77f349e4
Description_FAB [B@39a98927
Description_FAB [B@307da07e
Description_FAB [B@54939a42
Description_FAB [B@3942555d
Description_FAB [B@4cd713e3
Description_INV [B@11742457
Description_SHO [B@597dedb1
Title HEDMAN HEDDERS STANDARD UNCOATED HEADERS; 1-5/8 IN. TUBE DIA.; 2-1/2 IN. COLL.; SHORTY DESIGN
Tube Diameter 1-5/8 in.
Reducers Included Yes
with EGR No
Weld-Up No
Tuned No
Bolts/Studs Included Yes
Catalytic Converter(s) Included No
Crossover Pipe Included No
Gasket Or Seal Included Yes
Header Fasteners Included Yes
Installation Hardware Included Yes
Motor Mounts Included No
Mounting Hardware Included Yes
Y-Pipe Included No
Installation Notes Some heads may require drilling and tapping of end bolt holes.
Quantity Sold as a pair.
Primary Tube Gauge 16g
Primary Tube Diameter (in) 1.625 in.
Package Contents Headers, reducers (exhaust adapters), gaskets, mounting hardware
Header Material Mild Steel
Header Finish Uncoated
Cylinder Head Port Shape Oval
Cylinder Head Stock Profile Heads
Header Construction MILD STEEL- Standard-Duty
Replacement Gasket 27600
Replacement Head Flange Gasket 27600
California Proposition 65 WARNING: Cancer. For more info visit www.P65Warnings.ca.gov
with A.I.R. System No
Variations 26170
Tube Style Shorty
Air Conditioning Yes
Automatic Transmission - Column No
Automatic Transmission - Floor Yes
Manual Transmission - Column No
Manual Transmission - Floor Yes
Tube Size 1-5/8 in.
Material Mild Steel
Tube Design Standard
Tube Length Short Tubes
Tube Material Thickness 16g
Flange Thickness 0.3125 in.
Collector Attachment 2-1/2 in.
Collector Diameter 2-1/2 in.
Collector Size 2-1/2 in.
Exhaust System Dia 2-1/2 in.
Reducer Outlet Size 2-1/2 in.
Collector Style 3-Bolt Gasket Style Flange
Notes 64-72 Pontiac GTO, LeMans, Tempest 326-455
Contents headers, gaskets (when applicable), 3-bolt exhaust adapters, hardware
Header Style Mid-Length Tube
E.O. # No
Emissions Notes Not Legal For Street Use on '75-Later Model Years! Legal for off-road use only.
Flange Style Standard
Finish Uncoated
Finish Type UNCOATED Mild Steel! Shipped with Temporary Paint.
Power Steering Yes


This Part Fits:

Year Make Model Submodel Notes
1964 Pontiac GTO BASE Notes: Pontiac 326-455; Engine Family: Pontiac 326-455; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.; Footnotes: (10) Not For Ram Air III or IV style heads.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Footnotes: (1) Without smog injection or injection heads.; Manual Transmission - Floor: Yes; Manual Transmission - Column: No; Auto Transmission - Floor: Yes; Auto Transmission - Column: No; Power Steering: Yes; Air Conditioning: Yes
1965 Pontiac GTO BASE Notes: Pontiac 326-455; Engine Family: Pontiac 326-455; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.; Footnotes: (10) Not For Ram Air III or IV style heads.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Footnotes: (1) Without smog injection or injection heads.; Manual Transmission - Floor: Yes; Manual Transmission - Column: No; Auto Transmission - Floor: Yes; Auto Transmission - Column: No; Power Steering: Yes; Air Conditioning: Yes
1966 Pontiac GTO BASE Notes: Pontiac 326-455; Engine Family: Pontiac 326-455; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.; Footnotes: (10) Not For Ram Air III or IV style heads.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Footnotes: (1) Without smog injection or injection heads.; Manual Transmission - Floor: Yes; Manual Transmission - Column: No; Auto Transmission - Floor: Yes; Auto Transmission - Column: No; Power Steering: Yes; Air Conditioning: Yes
1967 Pontiac GTO BASE Notes: Pontiac 326-455; Engine Family: Pontiac 326-455; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.; Footnotes: (10) Not For Ram Air III or IV style heads.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Footnotes: (1) Without smog injection or injection heads.; Manual Transmission - Floor: Yes; Manual Transmission - Column: No; Auto Transmission - Floor: Yes; Auto Transmission - Column: No; Power Steering: Yes; Air Conditioning: Yes
1968 Pontiac GTO BASE Notes: Pontiac 326-455; Engine Family: Pontiac 326-455; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.; Footnotes: (10) Not For Ram Air III or IV style heads.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Footnotes: (1) Without smog injection or injection heads.; Manual Transmission - Floor: Yes; Manual Transmission - Column: No; Auto Transmission - Floor: Yes; Auto Transmission - Column: No; Power Steering: Yes; Air Conditioning: Yes
1969 Pontiac GTO BASE Notes: Pontiac 326-455; Engine Family: Pontiac 326-455; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.; Footnotes: (10) Not For Ram Air III or IV style heads.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Footnotes: (1) Without smog injection or injection heads.; Manual Transmission - Floor: Yes; Manual Transmission - Column: No; Auto Transmission - Floor: Yes; Auto Transmission - Column: No; Power Steering: Yes; Air Conditioning: Yes
1970 Pontiac GTO BASE Notes: Pontiac 326-455; Engine Family: Pontiac 326-455; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.; Footnotes: (10) Not For Ram Air III or IV style heads.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Footnotes: (1) Without smog injection or injection heads.; Manual Transmission - Floor: Yes; Manual Transmission - Column: No; Auto Transmission - Floor: Yes; Auto Transmission - Column: No; Power Steering: Yes; Air Conditioning: Yes
1971 Pontiac GTO BASE Notes: Pontiac 326-455; Engine Family: Pontiac 326-455; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.; Footnotes: (10) Not For Ram Air III or IV style heads.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Footnotes: (1) Without smog injection or injection heads.; Manual Transmission - Floor: Yes; Manual Transmission - Column: No; Auto Transmission - Floor: Yes; Auto Transmission - Column: No; Power Steering: Yes; Air Conditioning: Yes
1972 Pontiac GTO BASE Notes: Pontiac 326-455; Engine Family: Pontiac 326-455; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.; Footnotes: (10) Not For Ram Air III or IV style heads.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Footnotes: (1) Without smog injection or injection heads.; Manual Transmission - Floor: Yes; Manual Transmission - Column: No; Auto Transmission - Floor: Yes; Auto Transmission - Column: No; Power Steering: Yes; Air Conditioning: Yes
1964 Pontiac LeMans BASE Notes: Pontiac 326-455; Engine Family: Pontiac 326-455; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.; Footnotes: (10) Not For Ram Air III or IV style heads.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Footnotes: (1) Without smog injection or injection heads.; Manual Transmission - Floor: Yes; Manual Transmission - Column: No; Auto Transmission - Floor: Yes; Auto Transmission - Column: No; Power Steering: Yes; Air Conditioning: Yes
1965 Pontiac LeMans BASE Notes: Pontiac 326-455; Engine Family: Pontiac 326-455; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.; Footnotes: (10) Not For Ram Air III or IV style heads.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Footnotes: (1) Without smog injection or injection heads.; Manual Transmission - Floor: Yes; Manual Transmission - Column: No; Auto Transmission - Floor: Yes; Auto Transmission - Column: No; Power Steering: Yes; Air Conditioning: Yes
1966 Pontiac LeMans BASE Notes: Pontiac 326-455; Engine Family: Pontiac 326-455; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.; Footnotes: (10) Not For Ram Air III or IV style heads.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Footnotes: (1) Without smog injection or injection heads.; Manual Transmission - Floor: Yes; Manual Transmission - Column: No; Auto Transmission - Floor: Yes; Auto Transmission - Column: No; Power Steering: Yes; Air Conditioning: Yes
1967 Pontiac LeMans BASE Notes: Pontiac 326-455; Engine Family: Pontiac 326-455; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.; Footnotes: (10) Not For Ram Air III or IV style heads.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Footnotes: (1) Without smog injection or injection heads.; Manual Transmission - Floor: Yes; Manual Transmission - Column: No; Auto Transmission - Floor: Yes; Auto Transmission - Column: No; Power Steering: Yes; Air Conditioning: Yes
1968 Pontiac LeMans BASE Notes: Pontiac 326-455; Engine Family: Pontiac 326-455; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.; Footnotes: (10) Not For Ram Air III or IV style heads.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Footnotes: (1) Without smog injection or injection heads.; Manual Transmission - Floor: Yes; Manual Transmission - Column: No; Auto Transmission - Floor: Yes; Auto Transmission - Column: No; Power Steering: Yes; Air Conditioning: Yes
1969 Pontiac LeMans BASE Notes: Pontiac 326-455; Engine Family: Pontiac 326-455; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.; Footnotes: (10) Not For Ram Air III or IV style heads.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Footnotes: (1) Without smog injection or injection heads.; Manual Transmission - Floor: Yes; Manual Transmission - Column: No; Auto Transmission - Floor: Yes; Auto Transmission - Column: No; Power Steering: Yes; Air Conditioning: Yes
1970 Pontiac LeMans BASE Notes: Pontiac 326-455; Engine Family: Pontiac 326-455; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.; Footnotes: (10) Not For Ram Air III or IV style heads.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Footnotes: (1) Without smog injection or injection heads.; Manual Transmission - Floor: Yes; Manual Transmission - Column: No; Auto Transmission - Floor: Yes; Auto Transmission - Column: No; Power Steering: Yes; Air Conditioning: Yes
1971 Pontiac LeMans BASE Notes: Pontiac 326-455; Engine Family: Pontiac 326-455; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.; Footnotes: (10) Not For Ram Air III or IV style heads.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Footnotes: (1) Without smog injection or injection heads.; Manual Transmission - Floor: Yes; Manual Transmission - Column: No; Auto Transmission - Floor: Yes; Auto Transmission - Column: No; Power Steering: Yes; Air Conditioning: Yes
1972 Pontiac LeMans BASE Notes: Pontiac 326-455; Engine Family: Pontiac 326-455; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.; Footnotes: (10) Not For Ram Air III or IV style heads.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Footnotes: (1) Without smog injection or injection heads.; Manual Transmission - Floor: Yes; Manual Transmission - Column: No; Auto Transmission - Floor: Yes; Auto Transmission - Column: No; Power Steering: Yes; Air Conditioning: Yes
1964 Pontiac Tempest BASE Notes: Pontiac 326-455; Engine Family: Pontiac 326-455; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (10) Not For Ram Air III or IV style heads.; Manual Transmission - Floor: Yes; Manual Transmission - Column: No; Auto Transmission - Floor: Yes; Auto Transmission - Column: No; Power Steering: Yes; Air Conditioning: Yes
1965 Pontiac Tempest BASE Notes: Pontiac 326-455; Engine Family: Pontiac 326-455; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (10) Not For Ram Air III or IV style heads.; Manual Transmission - Floor: Yes; Manual Transmission - Column: No; Auto Transmission - Floor: Yes; Auto Transmission - Column: No; Power Steering: Yes; Air Conditioning: Yes
1966 Pontiac Tempest BASE Notes: Pontiac 326-455; Engine Family: Pontiac 326-455; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (10) Not For Ram Air III or IV style heads.; Manual Transmission - Floor: Yes; Manual Transmission - Column: No; Auto Transmission - Floor: Yes; Auto Transmission - Column: No; Power Steering: Yes; Air Conditioning: Yes
1967 Pontiac Tempest BASE Notes: Pontiac 326-455; Engine Family: Pontiac 326-455; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (10) Not For Ram Air III or IV style heads.; Manual Transmission - Floor: Yes; Manual Transmission - Column: No; Auto Transmission - Floor: Yes; Auto Transmission - Column: No; Power Steering: Yes; Air Conditioning: Yes
1968 Pontiac Tempest BASE Notes: Pontiac 326-455; Engine Family: Pontiac 326-455; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (10) Not For Ram Air III or IV style heads.; Manual Transmission - Floor: Yes; Manual Transmission - Column: No; Auto Transmission - Floor: Yes; Auto Transmission - Column: No; Power Steering: Yes; Air Conditioning: Yes
1969 Pontiac Tempest BASE Notes: Pontiac 326-455; Engine Family: Pontiac 326-455; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (10) Not For Ram Air III or IV style heads.; Manual Transmission - Floor: Yes; Manual Transmission - Column: No; Auto Transmission - Floor: Yes; Auto Transmission - Column: No; Power Steering: Yes; Air Conditioning: Yes
1970 Pontiac Tempest BASE Notes: Pontiac 326-455; Engine Family: Pontiac 326-455; Emissions Notes: 1974 and earlier vehicles WITHOUT A.I.R.; Does not require EO if existing emission controls are not removed.; Footnotes: (6) Modification to stock exhaust required to retain catalytic converter.; Footnotes: (1) Without smog injection or injection heads.; Footnotes: (10) Not For Ram Air III or IV style heads.; Manual Transmission - Floor: Yes; Manual Transmission - Column: No; Auto Transmission - Floor: Yes; Auto Transmission - Column: No; Power Steering: Yes; Air Conditioning: Yes
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