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Doug's Headers  |  SKU: D451-SS-BKLK

Long Tube Headers for 304 Stainless 1-3/4in Primary Stainless Steel D451-SS

Regular price $1,106.60 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 304 Stainless

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:

  • Natural stainless-steel finish offers superior resistance to rust and corrosion
  • 3/8" thick 304 stainless machine flanges to prevent warping
  • CNC 304 stainless mandrel bent tubes for an accurate fit and improved flow
  • Precision formed long transition collectors and long tube design reduce backpressure and increase higher RPM horsepower

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: 304 Stainless Steel
  • Flange Thickness: 0.375 IN
  • Gasket Or Seal Included: Yes
  • Gaskets Included: Yes
  • Grade Type: Performance
  • Header Material: 304 Stainless Steel
  • Header Style: Full-length
  • Material: 304 Stainless 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: Satin
  • Title: Doug's Headers D451-SS 304 Stainless Long Tube Header 62-74 Various Mopar 383-400 'B' Motor 1 3/4" Primary 3" Collector
  • Tube Wall Thickness: 16 GU
  • Part Number: D451-SS

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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