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- Brakes & Drivetrain
- Master Cylinders & Brake Boosters
- JEGS Master Cylinders & Power Brake Boosters
JEGS Chrome Aluminum Master Cylinder GM Universal Mounting
555-631001







Items You Need
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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 driver's 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 631001 fit your vehicle?
1971 CHEVROLET C20 PICKUP
- Liter: 4.8
- SubModel: BASE
- Aspiration: NATURALLY ASPIRATED
- CUI: 292
- Engine Type: L6 ( 4.8L / 292 )
- Engine Vin: S
1969 CHEVROLET K30 PICKUP
- Liter: 4.8
- SubModel: BASE
- Aspiration: NATURALLY ASPIRATED
- CUI: 292
- Engine Type: L6 ( 4.8L / 292 )
- Engine Vin: S
1974 CHEVROLET K30 PICKUP
- Liter: 4.8
- SubModel: BASE
- Aspiration: NATURALLY ASPIRATED
- CUI: 292
- Engine Type: L6 ( 4.8L / 292 )
- Engine Vin: S
1969 GMC K35/K3500 PICKUP
- Liter: 4.8
- SubModel: BASE
- Aspiration: NATURALLY ASPIRATED
- CUI: 292
- Engine Type: L6 ( 4.8L / 292 )
- Engine Vin: S
1971 CHEVROLET C10 PICKUP
- Liter: 4.8
- SubModel: BASE
- Aspiration: NATURALLY ASPIRATED
- CUI: 292
- Engine Type: L6 ( 4.8L / 292 )
- Engine Vin: -
1958 CHEVROLET DEL RAY
- Liter: 4.6
- SubModel: BASE
- Aspiration: NATURALLY ASPIRATED
- CUI: 283
- Engine Type: V8 ( 4.6L / 283 )
- Engine Vin: -
1971 GMC C35/C3500 PICKUP
- Liter: 4.1
- SubModel: BASE
- Aspiration: NATURALLY ASPIRATED
- CUI: 250
- Engine Type: L6 ( 4.1L / 250 )
- Engine Vin: L
1974 GMC K35/K3500 PICKUP
- Liter: 5.7
- SubModel: BASE
- Aspiration: NATURALLY ASPIRATED
- CUI: 350
- Engine Type: V8 ( 5.7L / 350 )
- Engine Vin: W
1986 GMC C2500
- Liter: 6.2
- SubModel: BASE
- Aspiration: NATURALLY ASPIRATED
- CUI: 379
- Engine Type: V8 ( 6.2L / 379 )
- Engine Vin: J
1971 CHEVROLET K10 PICKUP
- Liter: 4.1
- SubModel: BASE
- Aspiration: NATURALLY ASPIRATED
- CUI: 250
- Engine Type: L6 ( 4.1L / 250 )
- Engine Vin: C
1969 PONTIAC FIREBIRD
- Liter: 6.6
- SubModel: BASE
- Aspiration: NATURALLY ASPIRATED
- CUI: 400
- Engine Type: V8 ( 6.6L / 400 )
- Engine Vin: -
1958 CHEVROLET BROOKWOOD
- Liter: 4.6
- SubModel: BASE
- Aspiration: NATURALLY ASPIRATED
- CUI: 283
- Engine Type: V8 ( 4.6L / 283 )
- Engine Vin: -
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.