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