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Wilwood High-Volume Aluminum
Master Cylinders represent the latest
refinements in brake pressure actuation and fluid control. Each master
cylinder is high pressure die-cast from high-grade aluminum, fully
machined, and assembled with exclusive features only available from Wilwood.
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RESIDUAL PRESSURE VALVES:
These in-line pressure valves
retain a minimum brake line pressure to help eliminate excessive pedal
travel in both disc and drum brake systems.
The two pound valve is used in disc brake applications where the master
cylinder is mounted below the horizontal plane of the calipers and fluid
drain back occurs from gravity and vibration, thereby causing excessive
caliper piston retraction and a longer brake pedal stroke. The minimal
two pound residual pressure prevents fluid from flowing back without
causing the brakes to drag. With drum brakes, a ten pound valve is used
to compensate for return spring tension in the drums. Residual Pressure
Valves are made from billet aluminum and color coded for easy
identification. Ideal for drag racing, street rod and many off road
applications.
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