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Doug's Headers  |  SKU: D359-BKLK

Long Tube Headers for 55-57 Chevy 572 BBC 10.2" Tall deck 2.125in Primary D359

Regular price $1,433.90 USD
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Please see description for full fitment notes!!!

Fitment

Warranty Information

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Description

Overview:

55-57 Chevy BBC 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. This fitment is tailored for popular aftermarket engine swap kits. Doug's engine swap headers were developed to solve common fitment issues in tight spaces, making your swap process smoother. No more guesswork or modifications needed - just straightforward installations that save you time and frustration.

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: 3.5 IN
  • Collector Port Diameter: 3.5 IN
  • Color: Silver
  • Cylinder Head Port Shape: D-Port
  • 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: D-Port
  • Primary Tube Outside Diameter: 2.125 IN
  • Primary Tubing Diameter: 2.125 IN
  • Prop 65 (C, R or CR): CR
  • Prop 65 Yes/No: Yes
  • Sheen Level: Semi-Gloss
  • Title: Doug's Long Tube Header 55-57 Chevy 572 BBC, 10.2" Tall deck 2 1/8" Primary 3 1/2" Collector Silver Ceramic Coated D359
  • Tube Wall Thickness: 16 GU
  • Part Number: D359

Emissions:

  • This product is Legal for use on Pre-Pollution Controlled Vehicles. It is legal for use on all vehicles produced Before Emissions Control Regulations were imposed. These are considered Uncontrolled Vehicles and are defined as follows
    • 1965 and Older US Manufactured California Certified Vehicles
    • 1967 and Older US Manufactured Federally Certified Vehicles
    • 1967 and Older Foreign Manufactured Vehicles

Instructions:

Fitment Notes:

  • For use with 572 Chevy Big block 10.2 tall deck block.
  • Will fit with 605 power steering box.

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