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Hedman 69820

Elite Ultra-Duty HTC Coated Full Length Headers 1968-91 Blazer/Jimmy/Suburban/Pickup 396-454

Hedman 69820


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Hedman 69820 Elite Ultra-Duty HTC Coated Full Length Headers 1968-91 Blazer/Jimmy/Suburban/Pickup 396-454 $499.99
Elite Ultra-Duty HTC Coated Full Length Headers
  • 1968-91 Blazer/Jimmy/Suburban/Pickup 396-454
  • Tube Size: 1-3/4"
  • Collector Size: 3"

  • Hedman 69820 Details

    GM Trucks/Vans/Motorhomes

  • Not applicable or intended for street or highway use. Legal only for racing vehicles which may never be used upon a highway.
  • Without smog injection or injection heads.
  • Modification to stock exhaust required to retain catalytic converter.
  • Not legal for sale or use in California on pollution controlled motor vehicles.
  • Must use factory big block chevy hardware & mounts.
  • Must use 1975 and later model clutch linkage located at rear of engine.
  • Due to clyinder heads (aluminum) generation 6 engines, 502 BB Chevy will have clearance problems on some applications. Bottom of hedder flanges may hit head bolts. Notching may be necessary.
  • Elite replacement gasket #500-27550.

  • Specifications:

    Tube Diameter
    Collector Tube Size (in.)
    Engine Make/Size
    Chevy Big Block (396-454)
    Tube Direction
    Down Swept
    Metallic Ceramic
    Port Shape
    Mild Steel
    Gaskets Included
    Collector Diameter (in.)
    Bolts/Studs Included
    Catalytic Converter(s) Included
    Collector Attachment
    Ball and socket flange
    Cross Over Pipe Included
    Cylinder Head Port Shape
    Header Finish
    Thermal coated
    Header Material
    Header Style
    Motor Mounts Included
    Primary Tube Diameter (in.)
    1 3/4
    Primary Tube Gauge
    Sold as a pair
    Reducers Included
    Transmission Mount Included
    Flange Style
    Manufacturer's Part Number:

    Do It Once, Do It Right

    Hedman Elite Headers are the best you can buy. They have thicker flanges, stronger tubing, and thermal coating to withstand full-throttle thrashing and torturous towing. Their extreme-duty construction protects against burnout and exhaust leaks caused by the excessive heat and vibration of high-performance applications. Elite Headers outlast and outperform ordinary headers. All Hedman street headers are made in the USA with a 5-year coating warranty and lifetime product defect warranty.

    Note: Installing coated headers on an engine during the break-in period will cause discoloration. It is recommended that the factory manifolds or an old set of headers are used while breaking in an engine.

    • Hefty 3/8" flanges
    • Shorty or full-length design
    • Thick wall 14-gauge primary tubes
    • Built to withstand tough applications
    • HTC thermal coating with 5-year warranty
    • Lifetime warranty against manufacturing defects

    JEGS Easy Kits are designed by JEGS high performance racing professionals to help you get all the performance parts you need for your race car, hot rod or truck.

    69820 - Hedman Hedders Elite Ultra-Duty Headers is rated 5.0 out of 5 by 4.
    Rated 5 out of 5 by from Great The headers fit great on my 88 Fleetwood p30 chassis motor home, have thick flanges and so far my motorhome runs much better and has no leaks.
    Date published: 2017-03-26
    Rated 5 out of 5 by from ordered for an ongoing project but first blush they are exceptional. They look great, came with all instillation hardware and bolts. I am looking forward to getting this together.
    Date published: 2016-01-18
    Rated 5 out of 5 by from Functioned as advertised I installed a set of Hedman 69820 in my 1976 Chevrolet, C20 , ZZ502/502 engine with standard 1976 BB/SB Starter motor and 700R4 transmission. They fit perfect in the truck but as advertised the header flange did make contact with the top of some head bolts requiring a little grinding. so far I have only had to re-torque the header bolts once due to the improved gaskets that came with the headers. As advertised the coating on the headers did discolor at some of the bends due to the heat the NEW 502 can develop. Due to the packaging the headers came out of the box damaged , the machined edges on the flanges scratched and gouged the tubes near the collector. but JEGS gave me some money back for repairs.
    Date published: 2015-10-07
    • y_2018, m_1, d_22, h_8
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