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Jass Performance Brake Master Cylinder Stopper V2 - Strut Brace Compatible (Miata/MX5 NA/NB)
This is the second revision of the brake stopper, engineered to provide structural support to the brake master cylinder and firewall while retaining compatibility with strut tower bracing. The design strictly adheres to the principle of preventing brake servo and firewall deflection under braking forces, which results in a measurable improvement in pedal feel.
Technical Specifications and Features
Engineered for enhanced braking system rigidity and installation flexibility:
Functional Design and Performance
- Mechanism: Jass Performance developed this version as solution that allows the use of strut brace. Fits on MK1 and MK2, will not fit on later MK2.5.
- Performance Output: Results in a more solid and precise brake pedal feel, directly addressing the soft and delayed response caused by chassis flex.
- Structure: Optimized via stress calculations for maximized structural rigidity with minimal mass. Performance results are equivalent to the previous design.
Installation and Compatibility
- Finish: Protected by a dual-layer coating: Zinc base followed by Black Powder Coating for comprehensive corrosion resistance.
- Fitment: Confirmed for MK1 (NA) and MK2 (NB) chassis.
System Compatibility and Clearance Notes
- Please consider, the very early 1.6 models in UK are with shorter studs on the top mounts, their length won`t allow the use of the 4mm thick plate and the strut brace bracket together.
- It will not directly fit with the air filter box on LHD cars, however we will come with solution for this in short.
- Available as RHD and LHD version.
Link to installation video (big thanks to Wayne aka Mazdamender @Mazdamenders.net for it).
| Mazda MX5 Model | |
| NA (MK1) | |
|---|---|
| NB (MK2) | |
| NBFL (MK2.5) | |
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