Hooker Headers Blackheart 8504HKR Center-Dump Cast-Iron Exhaust Manifolds for GM Gen III/IV LS Engines [Natural]

Breakdown of Included Items

Exhaust Manifold Dimensions

Hooker Blackheart 8504HKR Center-Dump Cast-Iron Exhaust Manifolds Features:

• Further forward center exit to help avoid the steering shaft, starter, or other components
• Tight-tuck, block hugger design
• Improved flow and performance over OEM cast-iron exhaust manifolds
• Hi-Silicon-Moly Ductile iron is durable and corrosion-resistant

Hooker Blackheart 8504HKR Center-Dump Cast-Iron Exhaust Manifolds Notes:

• May require forward bias, low profile, or compact engine mounts
• Not compatible with 2004-2006 Pontiac GTO starters & bellhousings

Emissions Notes:

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 the EPA Tampering Policy dated November 23rd, 2020
• 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 an uncontrolled vehicle. The following are considered uncontrolled vehicles:
  • 1965 and older U.S. manufactured California Certified vehicles
  • 1967 and older U.S. manufactured Federally Certified vehicles
  • 1967 and older Foreign manufactured vehicle
• An EO legal engine swap kit is utilized (such as a GM EROD)
• The vehicle is being used for Competition Use Only. The following vehicles are considered Racing Use Only Vehicles:
  • Racing Use Only Vehicles are those vehicles that are used exclusively for competition and that are not registered, will never become registered, and will never be used on streets or highways.

This product is NOT LEGAL FOR SALE OR USE IN THE STATE OF CALIFORNIA unless one of the two below conditions is met:

• It will be used on 1965 and older U.S. manufactured California Certified vehicles
• It will be installed on vehicles used solely for the purposes of closed competition racing.
  • Racing Use Only Vehicles are those vehicles that are used exclusively for competition and that are not registered, will never become registered, and will never be used on streets or highways.
• Other states have adopted some or all of CARB emissions standards, therefore, it is incumbent on the consumer to check all applicable emissions laws in their state prior to purchasing and installing this product on their vehicle.

*Installation of parts which are not CARB approved on a pollution-controlled vehicle in the State of California, or in any state that has adopted CARB emissions standards, may result in the Department or Bureau of Motor Vehicles (DMV or BMV) revoking the vehicle registration and certificate of ownership (title), refusing the transfer of registration, and/or the vehicle failing smog inspection. Law enforcement may cite you for the use of an illegal aftermarket part and seize your title and license plate.* **States that have adopted some or all of the CARB emissions standards include California, Colorado, Connecticut, Delaware, Maine, Maryland, Massachusetts, New Jersey, New Mexico, New York, Oregon, Pennsylvania, Rhode Island, Vermont, Washington, & Washington D.C.** 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. JEGS Automotive, LLC is committed to performance parts that allow enthusiasts and racers 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 (Environmental Protection Agency): https://www.epa.gov/enforcement/epa-tampering-policy-epa-enforcement-policy-vehicle-and-engine-tampering-and-aftermarket

CARB (California Air Resources Board): https://ww3.arb.ca.gov/msprog/aftermkt/aftermkt.htm