CJ Classics GM-Style Master Cylinder with 1” Bore & Adjustable Proportioning Valve

Upgrade your vehicle's braking system with this manual GM-style master cylinder from CJ Classics! The master cylinder with a 1” bore includes an adjustable proportioning valve and cylinder-to-valve lines made of steel. Engineered for precision and performance, this combination offers unparalleled control and reliability for both street and track enthusiasts. The dual bowl manual master cylinder delivers direct and responsive braking, giving you a tactile connection to your vehicle’s performance.

Features and Benefits:
- Controls Braking Force Between Front & Rear Brakes
- Bolt Pattern is Correct for GM & Most Ford Vehicles
- Adjustable Proportioning Valve Supplied
- Includes Steel Brake Lines & Necessary Fittings

Kit Includes:
- (5) 3/8" Ports
- (2) Front Ports
- (1) Rear Port
- (2) Ports Feed Master Cylinder
- (2) Wire Brake Light Sensor Wire
- (5) 3/8"-24 Brake Line Fittings Included
- 3-3/8" Center to Center Slotted Mounting Holes
- Set of Steel Lines from Master Cylinder to Valve
- Sensor Wire Boot
- Left Mount Black Bracket

Vehicle Fitment:
- 1960-1987 Chevrolet C10
- 1966-1977 Ford Bronco
- 1948-1979 Ford F-100
- 1965-1973 Ford Mustang
*Correct bolt pattern for most Ford models.