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Doug's Headers 1967-76 MOPAR A-Body Small Block Alter-K-Tion Suspension 1 5/8" Long Tube Header with Metallic Ceramic Coating D455

Doug's Headers 1967-76 MOPAR A-Body Small Block Alter-K-Tion Suspension 1 5/8" Long Tube Header with Metallic Ceramic Coating D455
Doug's Headers 1967-76 MOPAR A-Body Small Block Alter-K-Tion Suspension 1 5/8" Long Tube Header with Metallic Ceramic Coating D455Doug's Headers 1967-76 MOPAR A-Body Small Block Alter-K-Tion Suspension 1 5/8" Long Tube Header with Metallic Ceramic Coating D455Doug's Headers 1967-76 MOPAR A-Body Small Block Alter-K-Tion Suspension 1 5/8" Long Tube Header with Metallic Ceramic Coating D455
$1,318.99 st
NEWARRIVING SOONEstimated Ship Date 08/25/2026 (If Ordered Today)
Model: 5124616
Select a Vehicle or refer to the Vehicle Fitment Tab below to verify that this part fits your vehicle.
OVERSIZE 1
STORE PICKUP
[More Info]
Long tube headers provide the greatest increases in horsepower and torque across the entire RPM spectrum. The choice of racers worldwide, Doug's long tube headers are designed for the car owner who wants maximum power and the highest quality header on the market.
Features:
  • 3/8" Thick machined flanges to prevent warping
  • Precision formed long transition collectors and long tube design reduces backpressure and increases higher RPM horsepower
  • Heavy duty 16-gauge tubing for long life
  • Tubes are pre-polished to removed scratches before applying metallic ceramic or hi-temp black coating
About Doug's Headers

Doug's Headers are a fixture in the motorsports aftermarket, pioneering quality muscle car performance headers for decades. Unlike the competition, Doug's Headers prides ourselves on superior design detail resulting in a hassle-free installation for any application.

Vehicle Fitment:

The Vehicle Fitment Guide is to be used as a general reference. The data has been provided by our suppliers and manufacturers and may contain errors or incorrect data. Always refer to a professional to verify correct fitment for your vehicle.
Make Model Years Engine Fitment Notes
Dodge Dart 1967 4.5L / 273 / V8 Fits With Reilly Motorsports Alter-K-Tion front suspension only.
Will fit applications with 727 automatic transmissions when used with PerTronix S3005P/B or Mopar Performance P5007860 mini starter.
Must use Mini Starter - PerTronix S3005P/B or Mopar P5007860AB
Does not fit cars equipped with Catalytic Converters
Silver
with Long Tube
Dodge Dart 1968 5.6L / 340 / V8
5.2L / 318 / V8
4.5L / 273 / V8		 Fits With Reilly Motorsports Alter-K-Tion front suspension only.
Will fit applications with 727 automatic transmissions when used with PerTronix S3005P/B or Mopar Performance P5007860 mini starter.
Must use Mini Starter - PerTronix S3005P/B or Mopar P5007860AB
Does not fit cars equipped with Catalytic Converters
Silver
with Long Tube
Dodge Dart 1969 5.6L / 340 / V8
5.2L / 318 / V8
4.5L / 273 / V8		 Fits With Reilly Motorsports Alter-K-Tion front suspension only.
Will fit applications with 727 automatic transmissions when used with PerTronix S3005P/B or Mopar Performance P5007860 mini starter.
Must use Mini Starter - PerTronix S3005P/B or Mopar P5007860AB
Does not fit cars equipped with Catalytic Converters
Silver
with Long Tube
Dodge Dart 1970 5.6L / 340 / V8
5.2L / 318 / V8		 Fits With Reilly Motorsports Alter-K-Tion front suspension only.
Will fit applications with 727 automatic transmissions when used with PerTronix S3005P/B or Mopar Performance P5007860 mini starter.
Must use Mini Starter - PerTronix S3005P/B or Mopar P5007860AB
Does not fit cars equipped with Catalytic Converters
Silver
with Long Tube
Dodge Dart 1971 5.9L / 360 / V8
5.6L / 340 / V8
5.2L / 318 / V8		 Must use Mini Starter - PerTronix S3005P/B or Mopar P5007860AB
Will fit applications with 727 automatic transmissions when used with PerTronix S3005P/B or Mopar Performance P5007860 mini starter.
Fits With Reilly Motorsports Alter-K-Tion front suspension only.
Does not fit cars equipped with Catalytic Converters
Silver
with Long Tube
Dodge Dart 1972 5.9L / 360 / V8
5.6L / 340 / V8
5.2L / 318 / V8		 Must use Mini Starter - PerTronix S3005P/B or Mopar P5007860AB
Will fit applications with 727 automatic transmissions when used with PerTronix S3005P/B or Mopar Performance P5007860 mini starter.
Fits With Reilly Motorsports Alter-K-Tion front suspension only.
Does not fit cars equipped with Catalytic Converters
Silver
with Long Tube
Dodge Dart 1973 5.9L / 360 / V8
5.6L / 340 / V8
5.2L / 318 / V8		 Must use Mini Starter - PerTronix S3005P/B or Mopar P5007860AB
Will fit applications with 727 automatic transmissions when used with PerTronix S3005P/B or Mopar Performance P5007860 mini starter.
Fits With Reilly Motorsports Alter-K-Tion front suspension only.
Does not fit cars equipped with Catalytic Converters
Silver
with Long Tube
Dodge Dart 1974 5.9L / 360 / V8
5.2L / 318 / V8		 Must use Mini Starter - PerTronix S3005P/B or Mopar P5007860AB
Will fit applications with 727 automatic transmissions when used with PerTronix S3005P/B or Mopar Performance P5007860 mini starter.
Fits With Reilly Motorsports Alter-K-Tion front suspension only.
Does not fit cars equipped with Catalytic Converters
Silver
with Long Tube
Plymouth Barracuda 1965 5.2L / 318 / V8 Fits With Reilly Motorsports Alter-K-Tion front suspension only.
Will fit applications with 727 automatic transmissions when used with PerTronix S3005P/B or Mopar Performance P5007860 mini starter.
Must use Mini Starter - PerTronix S3005P/B or Mopar P5007860AB
Does not fit cars equipped with Catalytic Converters
Silver
with Long Tube
Plymouth Barracuda 1966 5.2L / 318 / V8 Fits With Reilly Motorsports Alter-K-Tion front suspension only.
Will fit applications with 727 automatic transmissions when used with PerTronix S3005P/B or Mopar Performance P5007860 mini starter.
Must use Mini Starter - PerTronix S3005P/B or Mopar P5007860AB
Does not fit cars equipped with Catalytic Converters
Silver
with Long Tube
Plymouth Barracuda 1967 5.2L / 318 / V8
4.5L / 273 / V8		 Fits With Reilly Motorsports Alter-K-Tion front suspension only.
Will fit applications with 727 automatic transmissions when used with PerTronix S3005P/B or Mopar Performance P5007860 mini starter.
Must use Mini Starter - PerTronix S3005P/B or Mopar P5007860AB
Does not fit cars equipped with Catalytic Converters
Silver
with Long Tube
Plymouth Barracuda 1968 5.6L / 340 / V8
5.2L / 318 / V8
4.5L / 273 / V8		 Fits With Reilly Motorsports Alter-K-Tion front suspension only.
Will fit applications with 727 automatic transmissions when used with PerTronix S3005P/B or Mopar Performance P5007860 mini starter.
Must use Mini Starter - PerTronix S3005P/B or Mopar P5007860AB
Does not fit cars equipped with Catalytic Converters
Silver
with Long Tube
Plymouth Barracuda 1969 5.6L / 340 / V8
5.2L / 318 / V8		 Fits With Reilly Motorsports Alter-K-Tion front suspension only.
Will fit applications with 727 automatic transmissions when used with PerTronix S3005P/B or Mopar Performance P5007860 mini starter.
Must use Mini Starter - PerTronix S3005P/B or Mopar P5007860AB
Does not fit cars equipped with Catalytic Converters
Silver
with Long Tube
Plymouth Barracuda 1970 5.6L / 340 / V8
5.2L / 318 / V8		 Fits With Reilly Motorsports Alter-K-Tion front suspension only.
Will fit applications with 727 automatic transmissions when used with PerTronix S3005P/B or Mopar Performance P5007860 mini starter.
Must use Mini Starter - PerTronix S3005P/B or Mopar P5007860AB
Does not fit cars equipped with Catalytic Converters
Silver
with Long Tube
Plymouth Barracuda 1971 5.6L / 340 / V8
5.9L / 360 / V8
5.2L / 318 / V8		 Fits With Reilly Motorsports Alter-K-Tion front suspension only.
Will fit applications with 727 automatic transmissions when used with PerTronix S3005P/B or Mopar Performance P5007860 mini starter.
Must use Mini Starter - PerTronix S3005P/B or Mopar P5007860AB
Does not fit cars equipped with Catalytic Converters
Silver
with Long Tube
Plymouth Barracuda 1972 5.6L / 340 / V8
5.9L / 360 / V8
5.2L / 318 / V8		 Fits With Reilly Motorsports Alter-K-Tion front suspension only.
Will fit applications with 727 automatic transmissions when used with PerTronix S3005P/B or Mopar Performance P5007860 mini starter.
Must use Mini Starter - PerTronix S3005P/B or Mopar P5007860AB
Does not fit cars equipped with Catalytic Converters
Silver
with Long Tube
Plymouth Barracuda 1973 5.6L / 340 / V8
5.9L / 360 / V8
5.2L / 318 / V8		 Fits With Reilly Motorsports Alter-K-Tion front suspension only.
Will fit applications with 727 automatic transmissions when used with PerTronix S3005P/B or Mopar Performance P5007860 mini starter.
Must use Mini Starter - PerTronix S3005P/B or Mopar P5007860AB
Does not fit cars equipped with Catalytic Converters
Silver
with Long Tube
Plymouth Barracuda 1974 5.9L / 360 / V8
5.2L / 318 / V8		 Fits With Reilly Motorsports Alter-K-Tion front suspension only.
Will fit applications with 727 automatic transmissions when used with PerTronix S3005P/B or Mopar Performance P5007860 mini starter.
Must use Mini Starter - PerTronix S3005P/B or Mopar P5007860AB
Does not fit cars equipped with Catalytic Converters
Silver
with Long Tube
Plymouth Duster 1970 5.6L / 340 / V8
5.2L / 318 / V8		 Fits With Reilly Motorsports Alter-K-Tion front suspension only.
Will fit applications with 727 automatic transmissions when used with PerTronix S3005P/B or Mopar Performance P5007860 mini starter.
Must use Mini Starter - PerTronix S3005P/B or Mopar P5007860AB
Does not fit cars equipped with Catalytic Converters
Silver
with Long Tube
Plymouth Duster 1971 5.6L / 340 / V8
5.2L / 318 / V8		 Fits With Reilly Motorsports Alter-K-Tion front suspension only.
Will fit applications with 727 automatic transmissions when used with PerTronix S3005P/B or Mopar Performance P5007860 mini starter.
Must use Mini Starter - PerTronix S3005P/B or Mopar P5007860AB
Does not fit cars equipped with Catalytic Converters
Silver
with Long Tube
Plymouth Duster 1972 5.6L / 340 / V8
5.2L / 318 / V8		 Fits With Reilly Motorsports Alter-K-Tion front suspension only.
Will fit applications with 727 automatic transmissions when used with PerTronix S3005P/B or Mopar Performance P5007860 mini starter.
Must use Mini Starter - PerTronix S3005P/B or Mopar P5007860AB
Does not fit cars equipped with Catalytic Converters
Silver
with Long Tube
Plymouth Duster 1973 5.6L / 340 / V8
5.2L / 318 / V8		 Fits With Reilly Motorsports Alter-K-Tion front suspension only.
Will fit applications with 727 automatic transmissions when used with PerTronix S3005P/B or Mopar Performance P5007860 mini starter.
Must use Mini Starter - PerTronix S3005P/B or Mopar P5007860AB
Does not fit cars equipped with Catalytic Converters
Silver
with Long Tube
Plymouth Duster 1974 5.9L / 360 / V8
5.2L / 318 / V8		 Fits With Reilly Motorsports Alter-K-Tion front suspension only.
Will fit applications with 727 automatic transmissions when used with PerTronix S3005P/B or Mopar Performance P5007860 mini starter.
Must use Mini Starter - PerTronix S3005P/B or Mopar P5007860AB
Does not fit cars equipped with Catalytic Converters
Silver
with Long Tube
Plymouth Scamp 1971 5.2L / 318 / V8 Fits With Reilly Motorsports Alter-K-Tion front suspension only.
Will fit applications with 727 automatic transmissions when used with PerTronix S3005P/B or Mopar Performance P5007860 mini starter.
Must use Mini Starter - PerTronix S3005P/B or Mopar P5007860AB
Does not fit cars equipped with Catalytic Converters
Silver
with Long Tube
Plymouth Scamp 1972 5.2L / 318 / V8 Fits With Reilly Motorsports Alter-K-Tion front suspension only.
Will fit applications with 727 automatic transmissions when used with PerTronix S3005P/B or Mopar Performance P5007860 mini starter.
Must use Mini Starter - PerTronix S3005P/B or Mopar P5007860AB
Does not fit cars equipped with Catalytic Converters
Silver
with Long Tube
Plymouth Scamp 1973 5.2L / 318 / V8 Fits With Reilly Motorsports Alter-K-Tion front suspension only.
Will fit applications with 727 automatic transmissions when used with PerTronix S3005P/B or Mopar Performance P5007860 mini starter.
Must use Mini Starter - PerTronix S3005P/B or Mopar P5007860AB
Does not fit cars equipped with Catalytic Converters
Silver
with Long Tube
Plymouth Scamp 1974 5.2L / 318 / V8 Fits With Reilly Motorsports Alter-K-Tion front suspension only.
Will fit applications with 727 automatic transmissions when used with PerTronix S3005P/B or Mopar Performance P5007860 mini starter.
Must use Mini Starter - PerTronix S3005P/B or Mopar P5007860AB
Does not fit cars equipped with Catalytic Converters
Silver
with Long Tube
Plymouth Scamp 1975 5.2L / 318 / V8 Fits With Reilly Motorsports Alter-K-Tion front suspension only.
Will fit applications with 727 automatic transmissions when used with PerTronix S3005P/B or Mopar Performance P5007860 mini starter.
Must use Mini Starter - PerTronix S3005P/B or Mopar P5007860AB
Does not fit cars equipped with Catalytic Converters
Silver
with Long Tube
Plymouth Scamp 1976 5.2L / 318 / V8 Fits With Reilly Motorsports Alter-K-Tion front suspension only.
Will fit applications with 727 automatic transmissions when used with PerTronix S3005P/B or Mopar Performance P5007860 mini starter.
Must use Mini Starter - PerTronix S3005P/B or Mopar P5007860AB
Does not fit cars equipped with Catalytic Converters
Silver
with Long Tube
Plymouth Valiant 1967 4.5L / 273 / V8 Fits With Reilly Motorsports Alter-K-Tion front suspension only.
Will fit applications with 727 automatic transmissions when used with PerTronix S3005P/B or Mopar Performance P5007860 mini starter.
Must use Mini Starter - PerTronix S3005P/B or Mopar P5007860AB
Does not fit cars equipped with Catalytic Converters
Silver
with Long Tube
Plymouth Valiant 1968 5.6L / 340 / V8
5.2L / 318 / V8
4.5L / 273 / V8		 Fits With Reilly Motorsports Alter-K-Tion front suspension only.
Will fit applications with 727 automatic transmissions when used with PerTronix S3005P/B or Mopar Performance P5007860 mini starter.
Must use Mini Starter - PerTronix S3005P/B or Mopar P5007860AB
Does not fit cars equipped with Catalytic Converters
Silver
with Long Tube
Plymouth Valiant 1969 5.6L / 340 / V8
5.2L / 318 / V8
4.5L / 273 / V8		 Fits With Reilly Motorsports Alter-K-Tion front suspension only.
Will fit applications with 727 automatic transmissions when used with PerTronix S3005P/B or Mopar Performance P5007860 mini starter.
Must use Mini Starter - PerTronix S3005P/B or Mopar P5007860AB
Does not fit cars equipped with Catalytic Converters
Silver
with Long Tube
Plymouth Valiant 1970 5.6L / 340 / V8
5.2L / 318 / V8		 Fits With Reilly Motorsports Alter-K-Tion front suspension only.
Will fit applications with 727 automatic transmissions when used with PerTronix S3005P/B or Mopar Performance P5007860 mini starter.
Must use Mini Starter - PerTronix S3005P/B or Mopar P5007860AB
Does not fit cars equipped with Catalytic Converters
Silver
with Long Tube
Plymouth Valiant 1971 5.9L / 360 / V8
5.6L / 340 / V8
5.2L / 318 / V8		 Fits With Reilly Motorsports Alter-K-Tion front suspension only.
Will fit applications with 727 automatic transmissions when used with PerTronix S3005P/B or Mopar Performance P5007860 mini starter.
Must use Mini Starter - PerTronix S3005P/B or Mopar P5007860AB
Does not fit cars equipped with Catalytic Converters
Silver
with Long Tube
Plymouth Valiant 1972 5.9L / 360 / V8
5.6L / 340 / V8
5.2L / 318 / V8		 Fits With Reilly Motorsports Alter-K-Tion front suspension only.
Will fit applications with 727 automatic transmissions when used with PerTronix S3005P/B or Mopar Performance P5007860 mini starter.
Must use Mini Starter - PerTronix S3005P/B or Mopar P5007860AB
Does not fit cars equipped with Catalytic Converters
Silver
with Long Tube
Plymouth Valiant 1973 5.9L / 360 / V8
5.6L / 340 / V8
5.2L / 318 / V8		 Fits With Reilly Motorsports Alter-K-Tion front suspension only.
Will fit applications with 727 automatic transmissions when used with PerTronix S3005P/B or Mopar Performance P5007860 mini starter.
Must use Mini Starter - PerTronix S3005P/B or Mopar P5007860AB
Does not fit cars equipped with Catalytic Converters
Silver
with Long Tube
Plymouth Valiant 1974 5.9L / 360 / V8
5.2L / 318 / V8		 Fits With Reilly Motorsports Alter-K-Tion front suspension only.
Will fit applications with 727 automatic transmissions when used with PerTronix S3005P/B or Mopar Performance P5007860 mini starter.
Must use Mini Starter - PerTronix S3005P/B or Mopar P5007860AB
Does not fit cars equipped with Catalytic Converters
Silver
with Long Tube

Specifications:

Collector Attachment 3-Bolt Flange
Collector Diameter 3.0 IN
Collector Port Diameter 3.0 IN
Color Silver
Cylinder Head Port Shape SAP
Design Full-length
Finish Metallic Ceramic Coated
Flange Thickness 0.375 IN
Gasket Or Seal Included Yes
Gaskets Included Yes
Grade Type Performance
Header Material Steel
Header Style Full-length
Material Stainless Steel
Mounting Hardware Included Yes
Oxygen Sensor Port No
Part Type Exhaust Header
Port Shape SAP
Primary Tube Outside Diameter 1.625 IN
Proposition 65 www.P65Warnings.ca.gov
Sheen Level Semi-Gloss
Tube Wall Thickness 16 GU
Warranty Time 24 Months

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Doug's Headers 1967-76 MOPAR A-Body Small Block Alter-K-Tion Suspension 1 5/8" Long Tube Header with Metallic Ceramic Coating D455:
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