Designed and engineered in-house, Proflow products are manufactured to the highest of standards. Proflow products are computationally optimized and tested within their own engineering department. Rapid prototypes are created to guarantee perfect fitment, as well as pleasing aesthetics. Proflow take pride in every part they make. Remember, Proflow are the leaders in performance products!

Proflow brake boosters and master cylinders are the perfect addition to your street rod or custom application.

Proflow Single Diaphragm Brake Boosters are compact for installation under floor or on firewall of almost any vehicle. Booster measures only 7" in diameter. The Proflow Brake Booster is Zinc Plated for durability and rust prevention, ensuring a long lasting and period correct looking finish for your ride.

Heavy Duty Proflow Cast iron master cylinder has a 1-1/8" bore and is suited for disc-disc or disc-drum combinations.

Master cylinder features two 3/8"-24 inverted flare ports on each side (plugs are included for ports not in use).

Specifications:

• Proflow Compact 7” Brake Booster & Master Cylinder Combo
• Part number PFEBBK7001-KIT
• Pushrod-to-mounting flange is 5-1/2"
• Four bolt mounting pattern on 3-3/8" centers
• Booster is 3.75" thick, Outside Diameter is 7"
• Master cylinder combo is 11.875" from end of the master cylinder to the firewall
• (4) qty 3/8"-24 outlet ports (2 plugs included)
• 8" from mount to outer edge
• 12 Month Warranty

Fitment Notes:

• You will need full manifold vacuum available to the booster.
• Manufacturer requirements vary between 18 and 20 inches of vacuum.
• With radical cams there are many cases where there is a loss of the necessary vacuum and you may require a 12 volt brake vacuum pump available separately in our store.