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Doug's Headers  |  SKU: D451-BKLK

Long Tube Headers for 62-74 Mopar 383-400 'B' Motor 1-3/4in Primary D451

Regular price $974.50 USD
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Please see description for full fitment notes!!!

Fitment

Warranty Information

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Description

Overview:

62-74 Various 383 Long Tube Silver Ctd

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

Specs:

  • Brand: Doug's Headers
  • 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
  • EGT Port: No
  • 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: Steel
  • Mounting Hardware Included: Yes
  • Oxygen Sensor Port: No
  • Port Shape: SAP
  • Primary Tube Outside Diameter: 1.75 IN
  • Primary Tubing Diameter: 1.75 IN
  • Prop 65 (C, R or CR): CR
  • Prop 65 Yes/No: Yes
  • Sheen Level: Semi-Gloss
  • Title: Doug's Long Tube Header 62-74 Various Mopar 383-400 'B' Motor 1 3/4" Primary 3" Collector Silver Ceramic Coated D451
  • Tube Wall Thickness: 16 GU
  • Part Number: D451

Applications:

  • 1970-1971 Dodge Challenger 383 CID
  • 1972-1974 Dodge Challenger 400 CID
  • 1966-1971 Dodge Charger 383 CID
  • 1972-1974 Dodge Charger 400 CID
  • 1965-1971 Dodge Coronet 383 CID
  • 1972-1974 Dodge Coronet 400 CID
  • 1970-1971 Plymouth Barracuda 383 CID
  • 1962-1970 Plymouth Belvedere 383 CID
  • 1970-1971 Plymouth Cuda 383 CID
  • 1968-1971 Plymouth GTX 383 CID
  • 1965-1971 Plymouth Satellite 383 CID
  • 1972-1974 Plymouth Satellite 400 CID
  • 1962-1965 Plymouth Fury 383 CID
  • 1968-1971 Plymouth Road Runner 383 CID
  • 1972-1974 Plymouth Road Runner 400 CID

Emissions:

  • This Product is considered а Replacement Part per CARB and EPA regulations for emissions compliance and is legal for sale and use on specified vehicles in all 50 states as stated in Manufacturer's Application Guide and lnstallation Instructions.

Instructions:

Fitment Notes:

  • Designed for original heads (906 or 915 castings), 1975 and later model heads may require modification to flange.
  • Wedge Head Engine

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