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View Full Version : Mater cylinder port sizes



king67rsss
06-16-2007, 08:32 PM
I am helping a buddy run the hard lines from a c3 master cylinder and I can't remember what sizes the ports are from the master. I just did mine a month ago but I just asked the local speed shop for adaptor fittings to run 1/4" lines and they were perfect. Unfortunatley I threw away the packages they came in.

70 LS1
06-20-2007, 05:58 AM
9/16-18 3/16" line

1/2-20 1/4" line