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Hooker BlackHeart LS Swap Long Tube Headers - Stainless

1967-1972 GM C-10/20 2WD Truck, 1 7/8 inch primary tubes, 3 inch collector - 304 stainless steel

PART# BH13173

Not Available

WARNING: This product is not street legal and may only be used on Racing Vehicles. Racing Vehicles must be used exclusively for racing or other forms of competition. Racing vehicles must not be registered and must never be used on the street. It is illegal to install this product on a registered vehicle and use it on the street.


These Hooker BlackHeart LS Swap Long Tube headers are for 1967-1972 GM C10/C20 2WD trucks. They are built with 18 gauge, 304SS and are available with 1-3/4 or 1-7/8 inch primary tubes, and 3 inch collectors. The tube geometry is designed for simple installation and maximum clearance. Designed for use with BlackHeart LS Swap Mounts, Brackets, Cross-members and Exhaust systems for a complete swap system.


  • 1-7/8 inch primary tube diameter and 3 inch collector ideal for "hot" LS1/LS6/LS2/LS3/LS7 or 5.3L-6.0L engine swaps
  • Long Tube header design allows engine to breathe more freely resulting in more mid-range and top end power gains
  • Designed for use with Hooker BlackHeart LS Swap Mounts, Brackets, Cross-members and Exhaust systems for 1967-1972 GM C10/20 2WD trucks for a complete swap system
  • Manufacturer's Limited Lifetime Warranty
  • 3/8 inch thick, CNC waterjet header flanges are used for strength and maximum sealing surface
  • Tube geometry designed for maximum clearance and hassle-free installation
  • Lightweight 18-gauge, 304 Stainless Steel construction for good looks, maximum strength, and superior corrosion resistance
  • All hardware included


Application1967-1972 GM C-10/20 2WD Truck
BrandHooker BlackHeart
Collector Diameter3.00 inch
Emission Code8
Header FinishNatural
Header StyleLong Tube
Material304 Stainless Steel
Primary Tube Dia.1-7/8 inch
Product TypeHeaders
Race OnlyYes
Part NumberBH13173

Service Parts



This product is engineered to facilitate the installation of a later model, emissions friendly engine into a vintage / classic vehicle. Federal guidelines indicate that an engine swap is allowable if one or more of the following conditions apply:

  • If there is a reasonable basis for knowing that emissions are not adversely affected as described in EPA Memo 1A
  • The resulting vehicle is identical (with regard to all emissions related parts, engine design parameters and engine calibrations) to a certified configuration of the same or newer model year as the vehicle chassis
  • The vehicle is a uncontrolled vehicle - Vehicles that were manufactured before emission control regulations took effect are called uncontrolled vehicles. Aftermarket parts regulations and anti-tampering laws do not apply to these vehicles
  • An EO legal engine swap kit is utilized (such as a GM EROD)
  • The vehicle is being used for Competition Use Only - Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street

Consumers are responsible for complying with laws prohibiting tampering, and for ensuring that modified vehicles are operated in a manner that complies with applicable laws.

Motor vehicle emissions standards are intended to help achieve and maintain air quality goals that benefit human health and the environment. The U.S. Environmental Protection Agency, the California Air Resources Board, Environment Canada, and other regulatory agencies prohibit the operation of vehicles on public roads that violate applicable emissions standards. The alteration of certified production vehicles to modify, remove, or render inoperable emissions control hardware or software, known as "tampering" is prohibited by the U.S. Clean Air Act and other laws. Tampering with motor vehicles emissions control systems is punishable by substantial monetary penalties.

Holley is committed to performance parts that allow enthusiasts to modify their vehicles and meet emission requirements. The information provided here is intended to provide general guidance of interest to most consumers. This guidance may not apply to all vehicles or all situations. It is up to each consumer to evaluate his or her own situation and take the steps necessary to comply with applicable laws. The websites listed below have more information about regulations and policies pertaining to motor vehicle emissions. You should also check the regulations applicable to your local area.

EPA Website

CARB Website

Tech Resources

Designed to be used with Hooker BlackHeart LS Swap Mounts, Brackets, Cross-members and Exhaust systems. See "We Suggest" section for part #s. Easy installation with engine bolted in place. Fits narrow frame rails only (photo attached)


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      *Free Shipping & Handling only offered to the contiguous US on orders over $100, excludes clearance parts and oversized packages.

      Some parts are not legal for use in California or other states with similar regulations.

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