big wheel cylinders ?

1985 S-10 with manual brakes. You should also get the set of brake shoes for the S-10. Buy two sets and use the larger shoes in each set. Also get softest shoes possible. Beware when driving on street though, rear can sometimes grab under panic stops.
 
I think mine were for a '85 S-10 4wd(?) with MANUAL brakes. Not sure on the 4wd part though, but they were for a 1985 model year.

I know the power brake part # is the same for the Buicks. I think they are like 7/8" bore.

Hope this helps.
 
For these wheel cylinders, the Wagner part# is F110261, the Bendix part# is 33892, and the Industry standard # is W37644. Any parts store can use these numbers to get you the correct wheel cylinders.

Hope this helps,
John
 
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