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- JEGS Master Cylinders & Power Brake Boosters
JEGS Chrome Aluminum Master Cylinder GM Universal Mounting
555-631000







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Cast Aluminum Master Cylinders
This dual reservoir master cylinder is machined from cast, aircraft quality, aluminum into a smooth and stylish unit. We then fully polish each one and finish it with high luster chrome to provide the finishing touch to any engine compartment. Features GM universal mounting with one 9/16" & one 1/2" port on each side.
Specifications:
Cast Aluminum Master Cylinders Power Brake Boosters Master Cylinder and Booster Kits Brake Booster Brackets
JEGS Master Cylinders feature either a natural, high luster chrome, or a durable black powder coat finish with GM universal mounting.
JEGS power brake boosters feature either a durable black powder coat, gold zinc, or chrome finish and are available in combinations for every application. A pedal rod extension kit and a brake booster bracket are recommended when converting from manual to power brakes.
JEGS master cylinder and power brake booster kits feature a high-quality parts and are available in a variety of combinations for every application.
JEGS polished stainless steel or durable black powder coat brake booster brackets are designed to convert the firewall stud mounting pattern from a manual master cylinder to the power brake booster pattern.
Does JEGS 631000 fit your vehicle?
1969 CHEVROLET C20 PICKUP
- Liter: 4.1
- SubModel: BASE
- Aspiration: NATURALLY ASPIRATED
- CUI: 250
- Engine Type: L6 ( 4.1L / 250 )
- Engine Vin: D
1967 GMC K25/K2500 PICKUP
- Liter: 5
- SubModel: BASE
- Aspiration: NATURALLY ASPIRATED
- CUI: 305
- Engine Type: V6 ( 5L / 305 )
- Engine Vin: -
1982 GMC C3500
- Liter: 5.7
- SubModel: BASE
- Aspiration: NATURALLY ASPIRATED
- CUI: 350
- Engine Type: V8 ( 5.7L / 350 )
- Engine Vin: L
1990 CHEVROLET C1500
- Liter: 6.2
- SubModel: CHEYENNE
- Aspiration: NATURALLY ASPIRATED
- CUI: 379
- Engine Type: V8 ( 6.2L / 379 )
- Engine Vin: C
1983 GMC C2500
- Liter: 6.2
- SubModel: BASE
- Aspiration: NATURALLY ASPIRATED
- CUI: 379
- Engine Type: V8 ( 6.2L / 379 )
- Engine Vin: J
1969 CHEVROLET K10 PICKUP
- Liter: 4.1
- SubModel: BASE
- Aspiration: NATURALLY ASPIRATED
- CUI: 250
- Engine Type: L6 ( 4.1L / 250 )
- Engine Vin: Q
1966 CHEVROLET K20 PICKUP
- Liter: 4.8
- SubModel: BASE
- Aspiration: NATURALLY ASPIRATED
- CUI: 292
- Engine Type: L6 ( 4.8L / 292 )
- Engine Vin: -
1993 GMC C2500
- Liter: 6.5
- SubModel: SIERRA
- Aspiration: TURBOCHARGED
- CUI: 395
- Engine Type: V8 ( 6.5L / 395 )
- Engine Vin: F
1990 CHEVROLET K2500
- Liter: 6.2
- SubModel: CHEYENNE
- Aspiration: NATURALLY ASPIRATED
- CUI: 379
- Engine Type: V8 ( 6.2L / 379 )
- Engine Vin: J
1970 CHEVROLET C20 PICKUP
- Liter: 4.8
- SubModel: BASE
- Aspiration: NATURALLY ASPIRATED
- CUI: 292
- Engine Type: L6 ( 4.8L / 292 )
- Engine Vin: -
1968 GMC C15/C1500 PICKUP
- Liter: 5.4
- SubModel: BASE
- Aspiration: NATURALLY ASPIRATED
- CUI: 327
- Engine Type: V8 ( 5.4L / 327 )
- Engine Vin: E
1970 CHEVROLET K30 PICKUP
- Liter: 4.8
- SubModel: BASE
- Aspiration: NATURALLY ASPIRATED
- CUI: 292
- Engine Type: L6 ( 4.8L / 292 )
- Engine Vin: -
will this bolt on to a 1967 Plymouth Belvedere?
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.