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Doug's Headers D335

Metallic Ceramic Coated Headers 1970-81 GM LS1-LS6

Doug's Headers D335

Part Number: 776-D335

Metallic Ceramic Coated Headers
  • 1970-81 GM LS1-LS6
  • 1-3/4'' Tube Diameter
  • 3'' Collector
  • SAP Port Shape
  • $646.99

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    Doug's Headers D335 Metallic Ceramic Coated Headers 1970-81 GM LS1-LS6 $646.99

    Doug's Headers D335 Details

    GM LS1/LS6 - 1-3/4'' Tube Diameter

  • 1970-81 Chevy Camaro/Pontiac Firebird, Trans Am, Engine Swap
  • 1975-79 Chevy II, Nova

    Emission Code:
  • The product accompanying this document is legal only for off-highway use (except in California or states that have adopted California emission standards), racing use or for use on pre-emission-controlled motor vehicles/motor vehicle engines (pre-1974 domestic vehicles certified to California standards, pre-1974 domestic vehicles certified to federal standards and all pre-1974 foreign vehicles), per the manufacturer's application guide.

  • Shorty design for maximum ground clearance
  • Requires a Doug's LS1 adapter plate kit P/N SK100 or equivalent (American Tour Specialties are confirmed)
  • Will not fit manual transmission cars with factory Z bar clutch linkage
  • OEM domed collector style
  • Comes with welded O2 sensor fittings

    Y Y Y N Y N Y

  • Specifications:

    Manufacturer's Part Number:

    Every Doug's Header is Tuned with the Proper Tube Size & Length to Efficiently Remove Exhaust Gasses from Each Cylinder

    Headers feature 3/8'' flanges and 16-gauge tubing on passenger car applications. They include all necessary mounting hardware, collector reducers or connection pipes, premium gaskets and detailed instructions. Headers are available in either a Metallic Ceramic Thermal Barrier Coating or a uncoated raw finish. The Metallic Ceramic Thermal Barrier Coating will withstand up to 1400 degree temperatures! This coating is polished which increases corrosion resistance over 60%!

  • Thick Flanges Prevent Warping
  • Stitch Welded Ports for Added Strength
  • Machined Sealing Bead Eliminates Leaks
  • Heavy Gauge Tubing for Longer Life
  • Precision-Formed Collectors Reduce Back Pressure
  • CNC Mandrel-Bent Tubing Provides Accurate Fit & Better Flow

    See More Info for Applications Listing

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