Hedman Headers - Pontiac 326-455 for 1964-81 Grand Prix, Le Mans, GTO, Firebird, Tempest, Grand AM Set#HED28140

In stock

Hedman Headers, Street, Long Tube Stepped, Steel, Standard Uncoated, Pontiac, 326-455, Set#HED28140

HEDMAN Standard Uncoated Headers; 1-5/8-2" Tube Diameter; 3" Coll.; FULL LENGTH Design

LONG-TUBE design provides ample exhaust flow to let your 326-455 Pontiac engine breathe easy, and produce maximum horsepower and torque. These headers are uncoated, and ship from the factory with a temporary black paint that will burn off when submitted to normal operating temperatures. They are also available with a ceramic-metallic finish.

Each set includes a pair of gaskets, header flange bolts and collector bolts. No collector gasket is needed.

Specifications :

Product Type: Headers

Product Line: Hedman Street Headers

Header Style: Long tube one-piece stepped

Header Material: Steel

Header Color: Temporary non-high temperature paint

Weld-Up: No

Primary Tube Outside Diameter: 1 5/8 - 2"

Flange Style: Standard

Cylinder Head Port Shape: Oval

Collector Attachment: Ball and socket flange

Collector Diameter: 3.00"

Collector Reducers Included: Yes

Collector Reducer Exit Diameter: 2.500"

Tuned: No

Primary Tube Gauge: 18-gauge

Spark Plug Position: Straight

Flange Thickness: 0.250"

Bolts/Studs Included: Yes

Gaskets Included: Yes

Crossover Pipe Included: No

Catalytic Converter(s) Included: No

Motor Mounts Included: No

Transmission Mount Included: No

Quantity: Sold as a Set

Notes: Modification to reverse lockout (back drive) mechanism may be required. Some heads may require drilling and tapping of end bolt holes. The paint applied to these headers is a temporary coating only and is designed to burn off during use. High temperature paint or other high temperature coatings are recommended.

More Information
Part Type Headers
Product Line Exhaust
Brand Hedman
Vehicle Application
  • 1970-74 Pontiac Grand Prix 326, 455
  • 1964-77 Pontiac GTO, Lemans, Tempest 326,389,455
  • 1967-81 Pontiac Firebird 326, 455
  • 1973-77 Pontiac Grand AM, Lemans 326, 455

Click on Link for More Details on Vehicle Application : https://www.hedman.com/product-detail/28140

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