SCCA CSX Class is growing fast! All the specs, set-up recommendations and mandatory component guidelines are right here.
The SCCA Club Spec MX-5 (CSX) class is built around 2006–2015 Mazda MX-5 Miata models (NC chassis) and is designed to provide an affordable, versatile platform for enthusiasts looking to compete in multiple motorsports disciplines. By requiring a specific suspension, wheel and tire package, the class helps control costs while emphasizing driver skill and vehicle consistency. The standardized configuration allows competitors to use the same daily-drivable vehicle for autocross, Time Trials and track day events while maintaining close, competitive racing.
The required performance package includes a spec suspension system, designated wheel fitments and tires. The spec tire for the class is Falken Azenis RT660+ in a 225/45R17 size, providing consistent performance and helping maintain close, driver-focused competition. These carefully selected components deliver predictable handling, balanced performance and long-term durability while helping ensure a level playing field among competitors. The result is a fun, accessible and rewarding motorsports experience that showcases driver development and encourages participation across a variety of SCCA events.
The SCCA Club Spec MX-5 (CSX) class recommends these specific parts for your 2006-2015 MX-5 Miata.
What vehicles are eligible for the SCCA Club Spec MX-5 (CSX) class?
The Club Spec MX-5 (CSX) class is built around 2006–2015 Mazda MX-5 Miata models (NC chassis). Eligible vehicles must comply with the current SCCA Club Spec MX-5 rules and utilize the required performance package.
What tires are required for the Club Spec MX-5 class?
The class requires Falken Azenis RT660+ tires in the approved sizes specified by the SCCA rules. Using a common tire helps maintain competitive balance and keeps the focus on driver skill and vehicle setup.
Can I drive my Club Spec MX-5 on the street?
Yes. One of the goals of the Club Spec MX-5 class is to provide a versatile, daily-drivable vehicle that can also be used for autocross, Time Trials and track day events.
Are aftermarket wheels allowed in CSX?
Yes. Aftermarket wheels are permitted provided they meet the class specifications, including the required 17x8-inch size, minimum weight and offset requirements outlined in the official rules.
What modifications are allowed in the Club Spec MX-5 class?
The class is designed around a specific combination of approved suspension, wheel and tire components. Modifications outside of those permitted by the official SCCA Club Spec MX-5 rules are generally restricted to help control costs and ensure close competition.
Is the Club Spec MX-5 a good class for beginners?
Absolutely. The Club Spec MX-5 class was created to provide an affordable and approachable entry point into SCCA competition. The standardized package reduces equipment advantages and allows new drivers to focus on learning car control and improving their skills.
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