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R Theory Motorsports
Since 2014, R Theory Motorsports has been working behind the scenes to design some of the latest and greatest aftermarket race parts. R Theory combines the best minds of the Engineering and Manufacturing industries to bring you quality parts that will stand up to the most demanding situations. “Engineered to Perform.” It’s not just a slogan, it’s their guarantee.
R Theory Motorsports started off making designing quality parts for the NA/NB Miata platform, but have now branched off to cater to many other platforms. Before releasing a prototype, careful measurement and consideration to material choices are made. Even more care and attention to detail is made before beginning production of any part they produce.
Mazda Miata NA Steering Rack Spacer – Improve Steering Geometry
Combat bump steer in your lowered Mazda Miata with our Steering Rack Spacer. Crafted from durable aluminum, install yours for better handling!
€68.00Miata Chassis Mounted Front Splitter Kit – Ultimate Front Downforce Solution
Transform your Miata’s performance with the Miata Chassis Mounted Front Splitter Kit! No drilling needed, just bolt it on and go!
€424.00Carbon Fiber GT250 Wing Kit for Miata MX-5 NA & NB/NBFL (1990-2005)
Upgrade your NA/NB Mazda Miata with the MX-5 NA wing kit. Achieve superior downforce and stability while racing with style!
€1,769.00Miata NA & NB/NBFL Front Tow Hook + License Plate Bracket Kit
Looking for style and functionality? The Mazda Miata Front Tow Hook ensures easy license plate attachment. Upgrade your Miata experience today!
Price range: €41.00 through €119.00Frame Rail Brace Backing Plate Kit for Mazda Miata NA/NB (1990-2005)
Transform your ride using our Mazda Miata Frame Rail Backing Plate! These plates improve support and aesthetics for a cleaner look. Order now!
Price range: €152.00 through €342.00Full Side Mount Seat Bracket for Miata MX-5 NA & NB/NBFL(1990-2005)
Upgrade to professional-grade seating in your Miata with our top-notch Miata Bottom Mount Seat Brackets. Order now and enjoy fast shipping!
€226.00Miata Side Mount Seat Brackets – Perfect Fit for NA & NB Models
Upgrade your Miata with Seat Brackets for NA and NB models. Durable, easy to install, and compatible with factory sliders. Free USA & Canada shipping!
€156.00High-Performance Fuel Rail for Mazda Miata NA – 1.6 BP Engine
Optimize your Miata’s fuel delivery with our Miata Mazda Fuel Rail. Built for durability and efficiency, it is a must-have for enthusiasts.
€148.00Miata MX-5 Delrin Differential Bushings for NA & NB/NBFL
Upgrade your Miata’s drivetrain with R Theory Motorsports Delrin Differential Bushings for NA and NB models. Enjoy a more responsive drive and less wheel hop. FREE USA & Canada Shipping
Price range: €73.00 through €118.00- Price range: €168.00 through €437.00










