
Universal Master Cylinder 1-1/8 in. Bore
Includes:
JEGS 555-631403 Universal Master Cylinder Features:
- Constructed from aluminum for the master cylinder and composite dual reservoir with boot
- Features extra, through body holes, for side mounting
- Specifications: 1.125 in. piston for 2-piston front & 4-piston rear disc up to 4-piston front & 4-piston rear disc system
- Dimensions: mounting holes are 5/16" and are on 3-3/16" (3.188) centers, overall length: 8.25", overall width: 3.5", height from base to top of reservoir: 4.5", spacing between inlet fittings 3.0", length of plastic reservoir 6.5", and spacing from front to centerline of first inlet fitting: 1"
- Includes (2) 1/2"-20 ifm to 3/8"-24 iff fittings, (1) boot, and (1) 3/8"-24 rod

3/8"-24 Threads
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.
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