For 1800cc 2000cc 8v engine with hydraulic pushers.
Residual pressure valve, 2 psi, for braking systems, METRICAL (10 x 1 mm) and is generally used to maintain constant driving pressure in the system, thus eliminating the excessive pedal stroke. The result is a more firm and reactive pedal. Most people install it on the rear brake line at the master cylinder level.
For Golf 2, jetta 2, 1600cc 1800cc (not for G60) For Golf 1 Cabriolet, Scirocco 2