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  1. #1
    Junior Member

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    Join Date
    Apr 2012
    Posts
    15

    Default Shovelhead and sportster front brake master cylinder interchangeable?

    I have a 1982 FXE with dual disc brakes and am doing a swap with a 1999 Sportster front end (dual Disc single piston calipers).

    My sportster master cylinder is 11/16 and Im not quite sure what the size of the Shovel master cylinder is.

    Can I run my dual disc Shovel master with the later model sportster brake calipers with no problems?

  2. #2
    Senior Member

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    Default

    Quote Originally Posted by PrincetonMotorWorks View Post
    Can I run my dual disc Shovel master with the later model sportster brake calipers with no problems?
    Is the line interchangeable??????

  3. #3

    Join Date
    Dec 2018
    Posts
    1,082

    Default

    All '82 master cylinders that I know of, both front and rear,, for all models, were 3/4 bore. You might consider changing to the 11/32 master cylinder to go with the later calipers. The 3/4 master cylinder will work, but with more lever pressure needed, and a more "wooden" feel.

    Jim
    Last edited by JBinNC; 4 Weeks Ago at 3:05 PM.

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