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Standard Duty HTC Coated Full-Length Headers 1964-72 Pontiac GTO/Le Mans/Tempest 326-455
InfoVehicle Info Needed
HEDMANPART NUMBER: 500-35266

Standard Duty HTC Coated Full-Length Headers 1964-72 Pontiac GTO/Le Mans/Tempest 326-455

$63499
ShippingShips on Sep 08, 2026
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$20800
Metallic Ceramic Coated Long Tube Headers for 1964-1981 Pontiac Passenger Car [326-455 ci]

555-300121

Metallic Ceramic Coated Long Tube Headers for 1964-1981 Pontiac Passenger Car [326-455 ci]

$42699

Pontiac Cars
    Standard Duty HTC Coated Full-Length Headers
  • 1964-72 Pontiac GTO/Le Mans/Tempest 326-455
  • 1-3/4" Tube, 3" Collector

  • Without smog injection or injection heads
  • Some heads require drilling and tapping of end holes
  • Not applicable or intended for street or highway use (legal only for racing vehicles which may never be used on a highway)

Emissions Note:

This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART

Part TypeHeader
BrandHEDMAN
Package Height9.0
Package Width18.0
Package Length38.0
Weight27.0 PG
Part CategoryPerformance Parts
Header FinishPainted
Tube DirectionDown Swept
QuantitySold as a pair
Bolts/Studs IncludedYes
Cylinder Head Port ShapeD-port
Transmission Mount IncludedNo
Header MaterialSteel
Gaskets IncludedYes
Weld-UpNo
Collector AttachmentBall and socket flange
Flange StyleStandard
TunedNo
Collector Diameter3 in (76.2 mm)
Motor Mounts IncludedNo
Part FitmentSemi Universal
Reducers IncludedYes
ApplicationAutomotive
Primary Tube Gauge18-gauge
Header StyleFull-length
Cross Over Pipe IncludedNo
Catalytic Converter(S) IncludedNo
Primary Tube Diameter1.75 in (44.5 mm)
Vendor Part Number35266
Package Qty1
Package TypeEA
No Questions
No Reviews
Please click here to download the instructions PDF file

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Some parts are not legal for use in California or other states with similar laws / regulations
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