Metallic Ceramic Coated Headers 1970-1981 GM LS1-LS6
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DOUG'S HEADERSPART NUMBER: 776-D335

Metallic Ceramic Coated Headers 1970-1981 GM LS1-LS6

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GM LS1/LS6 - 1-3/4'' Tube Diameter
    Metallic Ceramic Coated Headers
  • 1970-1981 GM LS1-LS6
  • 1-3/4'' Tube Diameter
  • 3'' Collector
  • SAP Port Shape

    Fits:

  • 1970-1981 Chevy Camaro/Pontiac Firebird, Trans Am, Engine Swap
  • 1975-1979 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 vehicleengines (pre-1974 domestic vehicles certified to California standards, pre-1974domestic vehicles certified to federal standards and all pre-1974 foreignvehicles), per the manufacturer's application guide.

    Footnotes:
  • 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

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Emissions Note:

This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART

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%!

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Features:

  • 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

Part TypeHeader
Product LineDoug's Headers for GM Passenger Cars
BrandDOUG'S HEADERS
Package Height11.0
Package Width14.5
Package Length30.8
Weight29.21 PG
Part CategoryPerformance Parts
Part FitmentSemi Universal
Primary Tube Outside Diameter1.75 in (44.45 mm)
Vendor Part NumberD335
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
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