Home » Strange Brakes » Drag Race Master Cylinders » Dual Master Cylinder – 1.125″ Bore Includes Dust Boot, Pushrod, & Fittings

Dual Master Cylinder - 1.125" Bore
Includes Dust Boot, Pushrod, & Fittings


Part Number: B3359TA

Vehicles with front and rear manual disc brakes
Normally used with four piston calipers in both the front and rear brakes
Brake pressure will be delivered equally out of both ports
Use of an adjustable proportioning valve is highly recommended

Using All Wheel Disc brakes
Use 2 lb residual pressure valves if mounted at or below the level of the calipers

Using With Drum Brakes
Any line supplying drum brakes will require a 10 lb residual pressure valve

6.5 to 1 pedal ratio

Port closest to the push-rod flows the most volume of fluid
This port needs to be plumbed to the brakes requiring more capacity

Assembly Includes

Aluminum Master Cylinder With Plastic Reservoir
– 1.125″ bore size
– Cast aluminum body anodized for corrosion resistance
– Flange for firewall mounting – 21/64″ holes on 3.187″ centers
– Provisions for side mounting – .390″ holes on 5 1/2″ centers
– 1/2″-20 brake line holes with brass inverted flare seats

Additional Components
– 3/8″-24 x 4.200″ long push-rod
– Push-rod locking grommet
– Dust boot to protect piston bore
– 1/2″-20 brass inverted flare adapters for 3/6″ brake line
– 3/16″ brake line nuts

Silicone Brake Fluid Is Not Recommended

For 1.032″ Bore – See B3360TA


Related Components

Master cylinder with reinforcing plates… B3359
Master cylinder rebuilding kit……………….. B3381
2 lb residual pressure valve………………….. B3366
10 lb residual pressure valve………………… B3367
Adjustable proportioning valve…………….. B3369

Parts List and Installation Guide pdf File


Drag Race Dual in-line Master Cylinder 1.125 inch Bore

The Strange Dual in-line Master Cylinder is comprised of an impact resistant polymer reservoir and an aluminum body to accommodate dual threaded fittings (1/2 X 20). This economical drag race master cylinder option is a great fit for Sportsman Class cars. It is recommended for vehicles with four piston calipers (in front) and four-piston calipers in the rear. The 1.125-inch bore diameter delivers optimum volume and pressure.

Additional information

Weight 2.75 lbs