Wilwood Engineering (Wilwood) is recalling certain 7/8" Tandem Master Cylinder brakes, part numbers 260-9439, 260-12900, 261-13271 (with proportioning valve) and 261-13272 (with proportioning valve). The brake master cylinder seal in the front brake circuit may deform, resulting in a loss of braking in the front circuit.
An unexpected loss of front brake pressure may increase the risk of a crash.
Wilwood will notify owners and will replace the piston and piston seal assemblies or exchange the master cylinders for rebuilt ones, free of charge. The recall began on July 7, 2017. Owners may contact Wilwood at 1-805-384-2270 or customercare@wilwood.com. Wilwood's number for the recall is R17-01MC.
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.