Seal Kit 5/8' Clutch Master Cylinder GRK3001RM, Also known as Lockheed SSB1238 Superseded to LK11238 Now aftermarket.
Contains both ring & cup front seal options.
Less than 10% use ring type front seal.
Advise replacing spring also.
Was double nominated 519375 (as Brake m/cyl kit) in 1974 onward factory catalogues
