This kit fits
- 1979-1993 Mustang
- Direct replacement master cylinders for 1979-95 Mustangs
- Some aftermarket master cylinders; see below
Aftermarket master cylinders
must have these features to fit this kit:
- Mounting stud spacing of 3.20" to 3.22", center to center.
- Pilot diameter of less than 1.590"
- Pushrod bore depth between 1.10" and 1.85". See below for a guide to measuring the pushrod depth.
Wilwood Master Cylinders
The X in the Wilwood part number represents letters. Wilwood uses letters at the end of the part number to designate the finish. The absence or presence of letters has no effect on compatibility.
These Wilwood master cylinders are compatible with the MMBAK-10:
- 260-8555-X
- 260-8556-X
- 260-14243-X
- 260-14244-X
- 260-4893
These Wilwood master cylinders are NOT compatible with the MMBAK-10:
- 260-9439-X
- 260-13375-X
- 260-12900-X
- 260-14157-X
- 260-14241-X
- 260-14242-X
- 260-14388-X
- 260-14389-X
- 260-4894
Aftermarket master cylinders must have a pushrod depth between 1.10" and 1.85" to be compatible with this manual brake conversion kit.
The pushrod depth is D1 in the illustration below.