- Transmission & Drivetrain
- Transmission Adapter Plates & Swap Kits
- Hooker Blackheart Transmission Crossmembers
Hooker Headers Blackheart GM LS Engine Swap Transmission Crossmember for Select 1978-1988 GM Models
520-12644HKR-1
Items You Need
GM A/G-Body
Hooker Blackheart 12644HKR-1 GM LS Engine Swap Transmission Crossmember:
- Works with 4L60, 4L65, 4L70, 4L80, TH400, 2004R, T56, and T56 Magnum transmissions behind a GM LS engine
- Correct u-joint angles, when used with Hooker 12643HKR engine mounts
- Compatible with Hooker LS swap manifolds, headers, and exhaust systems
- Up to 3 in. dual exhaust system routing
Hooker Blackheart 12644HKR-1 GM LS Engine Swap Transmission Crossmember Notes:
- 4L60, 4L65, and 4L70 transmissions require add-on bracket 12655
- 4L80 transmission requires add-on bracket 12656
- applications that were NOT originally equipped with a 200-4R transmission, crossmember adapter 12647 is required.
- Crossmember fitment has not been validated for El Camino applications
- Not compatible with Tremec TR6060 transmissions
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.