- Ideal for stock LS1/LS6/LS2 or 5.3L-6.0L Vortec truck engine swaps
- Long tube design for optimum engine performance
- M8 x 1.25 x 25 mm bolt size
- Not compatible with all aftermarket Engine Mount kits - May experience headers coming in contact with the frame depending on the kit being used
- Designed for use with 520-12643HKR engine mounting brackets and 520-12644HKR transmission cross-member
Emissions: Legal for sale or use on Racing Use Only Vehicles.
I am looking for headers to use on a BBC 427 that is in a G body frame. Will these fit?
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.
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.
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.