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Hedman 66117

Standard Duty HTC Coated Full Length Headers 1968-86 Chevy Pickup, Suburban, Blazer, Jimmy 2WD/4WD

500-66117

made in usa
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Estimated ship date 09/25/17 if Ordered Today
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Hedman 66117 Standard Duty HTC Coated Full Length Headers 1968-86 Chevy Pickup, Suburban, Blazer, Jimmy 2WD/4WD $578.99
Standard Duty HTC Coated Full Length Headers
  • 1968-86 Chevy Pickup, Suburban, Blazer, Jimmy 2WD/4WD
  • Tube Size: 1.75"
  • Collector Size: 3"
  • 396-502ci

  • Hedman 66117 Details

    GM Trucks

    1968-81 K20 PICKUP, K25/K2500 396-454, 4WD
    1968-81 K25/K2500 SUBURBAN, K20 SUBURBAN 396-502, 4WD
    1968-86 C25/C2500 SUBURBAN, C20 SUBURBAN 396-502, 2WD
    1968-1986 C20 PICKUP, C30 PICKUP, C25/C2500, C35/C3500, R20 PICKUP, R30 PICKUP, R2500 PICKUP, R3500 PICKUP, V20 PICKUP, V30 PICKUP, V2500 PICKUP, V3500 PICKUP 396-502, 2WD 1968-81 BLAZER, JIMMY, 396-454 Engine Swap, 4WD
    1968-86 BLAZER, JIMMY, 396-454 Engine Swap, 2WD

  • Without smog injection or injection heads
  • Must use factory big block Chevy hardware & mounts
  • Must use 1975 and later model clutch linkage located at rear of engine
  • Due to cylinder heads (aluminum) generation 6 engines, 502 BB Chevy will have clearance problems on some applications. Bottom of header flanges may hit head bolts. Notching may be necessary.
  • Elite replacement gasket #27550
  • Includes parts necessary to retain emission devices (50-State)
  • Modification to stock exhaust required to retain catalytic converter
  • For vehicles 1964 through 1974 without A.I.R. systems, considered OE replacement parts when existing emission controls are not removed from vehicle
  • 50-state legal for 1975-86 only

  • Specifications:

    Tube Diameter
    1.75
    Collector Tube Size (in.)
    3
    Application
    Automotive
    Engine Make/Size
    Chevy Big Block (396-502)
    Tube Direction
    Down Swept
    Coating/Finish
    Metallic Ceramic
    Port Shape
    Rectangle
    Material
    Steel
    Gaskets Included
    Yes
    Collector Diameter (in.)
    3
    Bolts/Studs Included
    Yes
    CARB EO Number
    D-167-26 (pdf)
    Catalytic Converter(s) Included
    No
    Collector Attachment
    Ball and socket flange
    Cross Over Pipe Included
    No
    Header Finish
    Silver ceramic coated
    Header Material
    Steel
    Header Style
    Full-length
    Motor Mounts Included
    No
    Primary Tube Diameter (in.)
    1 3/4
    Primary Tube Gauge
    18-gauge
    Quantity
    Sold as a pair
    Reducers Included
    Yes
    Transmission Mount Included
    No
    Tuned
    No
    Weld-Up
    No
    Flange Style
    Standard
    Manufacturer's Part Number:
    66117

    Hedman's HTC Hi-Tech Coated Headers come pre-coated from the factory with a protective ceramic-metallic finish. This coating provides a durable, shiny finish that helps lower under hood temperatures. Hedman Hedders pioneered the automotive application of ceramic-metallic coatings in the early 1980s. Previously exclusive to the aerospace industry, Hedman Hedders recognized the coating's potential to improve both the lifespan and functionality of exhaust headers while adding performance, flow and protection. Made in the USA.

    Features:
  • Coating offers protection up to 1400°.
  • Won't chip, peel, or "blue" like chrome.
  • Superior heat insulation.
  • Increased exhaust velocity for more power.

    NOTE: Installing coated headers on an engine during the break-in period will cause discoloration. The use of factory manifolds or an old set of headers is recommended while breaking in an engine.

    JEGS Easy Kits are designed by JEGS Professionals to help you get all the performance parts you need.

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