Made in USA
Blackheart GM Gen III/IV LS Engine Swap Long Tube Headers for 1973-1974 GM K10 Trucks [4WD]
Product Discontinued
HOOKER HEADERSPART NUMBER: 520-BH13325

Blackheart GM Gen III/IV LS Engine Swap Long Tube Headers for 1973-1974 GM K10 Trucks [4WD]

Currently Unavailable

This product is no longer available. Please call customer service for assistance at 1-800-345-4545.

GM Truck
Blackheart LS Engine Swap Long Tube Headers
  • 1973-1974 GM K10 4WD Trucks
  • 1 3/4 in. Primary Tube Size
  • 3 in. Collectors
  • Stainless Steel
  • Pair

    Hooker Headers BH13326 Blackheart LS Swap Headers Features:

    • All hand-welded construction for ultimate strength, longevity, and excellent appearance
    • Made from lightweight 18-gauge 304 stainless steel with 3/8 in. waterjet cut flanges for durability and corrosion protection
    • O2 sensor bung in both collectors
    • Formed merge collectors bring maximum flow velocity through the collectors for great performance
    • Works with factory transmission crossmembers and most GM automatic transmissions (TH350, TH400, 700R4, 4L60-4L40, 4L80E/4L85E, 6L80/6L90) and SM465 manual transmissions
    • Works with factory right-side-drop NP203, NP205, NP208, and NP241 transfer cases
    • Tube geometry is designed for maximum component clearance and easy installation
    • All hardware is included

    Emissions Note:

    This product is engineered to facilitate the installation of a later model, emissions-friendly engine into a vintage/classic vehicle.

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

  • Part TypeHeader
    BrandHOOKER HEADERS
    Package Height9.5
    Package Width18.0
    Package Length45.0
    Weight37.0 PG
    Coating/FinishNatural
    Header Material304 Stainless steel
    Gaskets IncludedYes
    Hardware IncludedYes
    Header Flange Thickness0.375 in (9.525 mm)
    Tube Size1.75 in (44.5 mm)
    Collector Tube Size3 in (76.2 mm)
    ApplicationGM LS
    Primary Tube Gauge18-gauge
    Header StyleLong Tube
    Gauge18
    Vendor Part NumberBH13325
    Package Qty1
    Package TypeEA
    No Questions
    No Reviews

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