JEGS 631427 Master Cylinder Adapter Plate for 1962-1974 Mopar A, B & E Body cars allow you to convert from a factory OE 4-stud mount master cylinder to a 2-stud mount master cylinder. We recommend our JEGS universal master cylinders 555-631405 or 555-631406
- (1) Aluminum Adapter Plate: 4 in. x 3 in. x 3/8 in. Thick with Black Anodized Finish
- Master Cylinder mounting holes are 5/16 in.-18 thread and are on 3 3/16 in. (3.188) centers with a center bore of 1.520 in. I.D.
- (2) Studs: 1 1/2 in. long with 5/16 in. -18 x 5/8 in. L Thread at Adapter End & 5/16 -24 in. x 9/16 in. L Thread at Master Cylinder End
- (2) Nuts: Grade 2 Zinc 5/16 in. -24 1/2 with 1/2 Hex Head
- (2) SAE Flat Washers: Zinc 5/16 in.
Multi-Purpose Master Cylinders
JEGS Universal Master Cylinders are available with two-piston sizes for virtually any combination of drag racing, late model stock car, off-road, or street rod braking system.
Master cylinders feature an aluminum body, composite dual reservoir with boot, and 3/8 in.-24 rod in either a 1.031 in. piston (for drum/drum up to 2-piston front & 4-piston rear disc) or a 1.125 in. piston (for 2-piston front & 4-piston rear disc up to 4-piston front & 4-piston rear disc) system. Each master cylinder also features extra, through body holes, for side mounting.
JEGS Master Cylinders are available with 1/2 in.-20 male x -3 AN IFF brake line adapter fittings; or in a kit with a universal billet mounting bracket/spacer, brake line adapter fittings, and mounting hardware.
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.