Hooker Headers LS Engine Swap Mount Brackets
520-12621
GM
C/K Series
(!) Requires the use of stock SB Chevy clamshell mounts for this application or their aftermarket equivalent (!).
The combined use of these mounting brackets and related Hooker transmission swap crossmembers, will allow installation of an LS engine with a GM TH350, TH400, 700R4, 2004R, 4L60, 4L65, 4L70, 4L75, 4L80 or 4L85 automatic trans or a T56/T56 Magnum manual trans into any 1973-87 GM C10/20 pickup.
Hooker application-specific LS swap engine mounting brackets remove the installation guesswork and compatibility uncertainty that comes with using universal/adjustable swap plate mounting methods. These brackets are designed to achieve optimized component clearances and drivetrain/U-joint operation angles in this application when used in conjunction with the Hooker p/n 520-12646HKR transmission crossmember, 520-2334, 520-2335 headers and 520-42537, 520-42538, 520-42539, 520-42540 exhaust systems co-developed for the '73-87 C10/20 application.
- Welded Steel Construction
- Designed for light weight, rigidity and a clean appearance
- Precision machined for perfect alignment
- Zinc plated for durability and corrosion resistance
- Come complete with counter sink machine screws and instructions
- Work with stock small-block Chevy clamshell mounts
- Designed for use with Hooker headers p/n 520-2334 or 520-2335 headers for this application.
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.