



The Radium Engineering Master Cylinder Brace is a bolt-in brace for the 1990-1997 Mazda Miata (NA) with ABS. It mounts on the strut tower and supports the brake master cylinder to reduce firewall flex, so more pedal force becomes brake line pressure; Radium measured 90% less master cylinder deflection with a dial indicator.
Fitment: 1990-1997 Mazda Miata (NA) with ABS, left-hand drive only. With the OEM air box, the brace slightly interferes with the outer-rear bolt boss and some trimming may be needed. For 1999-2005 non-ABS cars, Radium makes brace 20-0844.
Part number: Radium Engineering 20-0843
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1990-1997 | Mazda | Miata | w/ ABS |
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