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Part fits the following years1978, 1979, 1980

    Hedman Hedders

    Headers, High-Performance 283-400/Ac, Power Steering, Automatic, Manual (Floor Only), 1-1/2" Tubes, 3" Collector HTC (4, 5, 6,45, 121) Fits 1978-80 Regal+ 5 other models

    Retail Price $720.95 You Save $65.96
    OPGI Price$654.99
    (Pair)
    Part# HD66311
    Mfg# 66311
    Ships direct from manufacturer.

    Quality products at a fair price.

    Available in a variety of styles.

    The Hedman name has been synonymous with quality and performance at a fair price for over 50 years. Simply bolting on a set of these headers will increase both engine performance and efficiency. Original style headers are manufactured using heavy-gauge steel tubing and feature 1/4” thick flanges at the head and collector. Headers are available in a standard black or Hedman’s HTC coating, a ceramic-metallic formula that protects the headers from extreme temperatures and harsh road elements. These are the perfect choice for any classic street machine. Hedman’s Elite series headers are the top-of-the-line. Constructed with heavy 3/8” flanges and heavy-gauge tubing, these headers are built to withstand even the toughest conditions. All Elite series headers also feature Hedman’s HTC coating for additional protection and good looks.

    1. Without smog injection or injection heads 4. Includes parts to retain emission devices (50 States) 5. With A.I.R. system 6. Modify stock exhaust to retain catalytic converter 15. Shorty Header/Maximum Ground Clearance 31. Must use non-shell motor mounts 45. Not legal for sale or use in California on pollution controlled motor vehicles 103. Will fit angle plug heads (Chevy aluminum only) 121. Must modify rotary AC bracket 234. Designed with additional clearance for use with close ratio steering box.

    Notes
    • These high-performance items are not eligible for any further discounts or promotional pricing.
    • High Performance, designed to improve performance.
    • SHIP NOTE: This item exceeds standard size and is exempt from free shipping. more info
    • SHIP NOTE: This item is SPECIAL ORDER and will be drop-shipped from the manufacturer. more info
    California Prop 65 Icon WARNING: This product can expose you to chemicals including lead, sulfur, nickel, chromium, vanadium, titanium, polyvinyl chloride, and 4,4’-methylenebis (2-chloroaniline), which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

    Vehicle Fitment

    Make & ModelYear RangeApplication Details
    Buick Grand National1978-1980 HTC (4, 5, 6,45, 121)
    Buick Regal1978-1980 HTC (4, 5, 6,45, 121)
    Buick T-Type1978-1980 HTC (4, 5, 6,45, 121)
    Chevrolet El Camino1978-1988 HTC (4, 5, 6,45, 121)
    Chevrolet Malibu1978-1988 HTC (4, 5, 6,45, 121)
    Chevrolet Monte Carlo1978-1988 HTC (4, 5, 6,45, 121)

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