Wilwood News » Master Cylinder

Wilwood is an engineering company first and foremost, and while we manufacture and ship thousands of parts a year, we are always hard at work engineering new and better things.... Read More

Over the years, Wilwood has been involved in nearly every form of motorsports, at levels from student, to amateur, to professional, and we've brought our engineering expertise to each. Because... Read More

The Department of Transportation required street-driven vehicles to have two redundant hydraulic brake systems in 1967, so all street cars in the US use a tandem master cylinder. Single outlet... Read More

Common complaints to our tech line involve no pressure to the rear brake lines. With a dual circuit/tandem M/C this issue has a common cause - the rear piston not fully returning to its proper resting position. Customers often think they have a defective M/C but that’s not it. For the M/C to build pressure properly, the piston's primary seal must retract past the compensating port, and the rear of the piston rest on the snap ring.