Bob's Studebaker Resource Website

Avanti II Master Cylinders 1974- 1991

Parts Reference ( one of a few)


RQA models used Studebaker equipment, both booster and master cylinder, from start through most of 1968

1965 RQA (stock)


1965 RQA (modified - 2 bolt master/new booster)


1966 RQA (stock)


1967 RQA (Stock)


1968 (Stock)


1968 Stock Booster/ 4 bolt dual master


Late 1968 started showing 4 bolt master dual cylinders mounted on Studebaker Boosters

1969 Stock booster - 4 bolt dual master


Stock booster - 4 bolt master


1970 RQA Stock booster - 4 bolt dual master


1970 RQB Stock booster - 4 bolt dual master


1970 RQB Late model booster - 2 bolt dual master


1970 RQB Stock booster - 4 bolt dual master


1970 RQB Stock booster - 4 bolt dual master


1972 Late model booster - 2 bolt master


1973 RQB with late model booster and 2 bolt dual master


1973 late model booster - 2 bolt master


These dual masters with the pipes on the fender side are usually 1968 Ford Galaxy with Disk brakes

1974 late model booster - 2 bolt master


1975 late model booster - 2 bolt master


1975 late model booster - 2 bolt master


1975 late model booster - 2 bolt master


1975 late model booster - 2 bolt master


1976 late model booster - 2 bolt master


1977 Late booster - 2 bolt master


1977 Late booster - 2 bolt master


1977 Late booster - 2 bolt master


1977 Late booster - 2 bolt master


1977 Late booster - 2 bolt master


1978 Late booster - 2 bolt master


1978 Late booster - 2 bolt master


1979 Late booster - 2 bolt master


1980 Late booster - 2 bolt master


1980 Late booster - 2 bolt master

The Masters with the front port on the bottom and the bleeder valve on the front side, are 1969-70 Ford Galaxy with disk brakes


1981 Late booster - 2 bolt master


1981 Late booster - 2 bolt master


1981 Late booster - 2 bolt master


1982 Late booster - 2 bolt master


1982 Late booster - 2 bolt master


1982 Late booster - 2 bolt master


1982 Late booster - 2 bolt master


1982 Late booster - 2 bolt master


1983 Late booster - 2 bolt master


1982 Late booster - 2 bolt master


1983 Late booster - 2 bolt master


1983 Late booster - 2 bolt master


1984 Late booster - 2 bolt master


1984 Late booster - 2 bolt master


1985 Late booster - 2 bolt master


1987 Late booster - 2 bolt master


1987 Late booster - 2 bolt master


Late 1987 w/ GM inclined booster - GM Master


Late 1987 w/ GM inclined booster - GM Master


Late 1987 w/ GM inclined booster - GM Master


Late 1987 w/ GM inclined booster - GM Master


1988 w/ GM inclined booster - GM Master


1988 w/ GM inclined booster - GM Master


1989 w/ GM inclined booster - GM Master


1989 w/ GM inclined booster - GM Master


1990 w/ GM inclined booster - GM Master


1991 w/ GM inclined booster - GM Master