Hooker Headers GM LT Swap Cast-Iron Exhaust Manifolds [Silver Ceramic Finish]
520-BHS517
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Rear-Exit
Features:
- Free-flowing 2.500 in. Outlet
- Designed for GM LT engine swap applications
- Universal fitment for a variety of popular chassis
- Clean muscle car appearance
- Includes nickel-plated steel mating flanges, MLS mating flange gaskets, and mating flange hardware
- Cast from Hi-Silicon-Moly Ductile Iron
- Compatible with Hooker engine swap mount plates and Holley engine swap oil pans
Note: Using bare cast-iron manifolds or an old set of headers to break-in engines is recommended. Breaking in an engine with ceramic-coated manifolds may result in damage to the coating.
Emissions:
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 an 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
Specifications:
Motor Vehicles
WARNING: Motor vehicles contain fuel, oils and fluids, battery posts, terminals and related accessories which contain lead and lead compounds and other chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. These chemicals are found in vehicles, vehicle parts and accessories, both new and as replacements. When being serviced, these vehicles generate used oil, waste fluids, grease, fumes and particulates, all known to the State of California to cause cancer, birth defects, and reproductive harm.
Tools:
WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Some examples of these chemicals are: lead from lead-based paints, crystalline silica from bricks and cement and other masonry products, and arsenic and chromium from chemically treated lumber. Your risk from exposure to these chemicals varies, depending on how often you do this type of work. To reduce your exposure, work in a well-ventilated area and with approved safety equipment, such as dust masks that are specially designed to filter out microscopic particles.
Electrical Cords
WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.