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SKU: 429 541 A | UPC: 4996338429100
Cusco Strut Bar OS-Type Rear Strut Bar 2016-2023 Mazda MX-5 Miata Roadster (ND5RC)
The Cusco OS-Type Rear Strut Bar connects the rear strut towers on 2016-2023 Mazda MX-5 Miata ND models including Roadster ND5RC and RF hardtop. It stiffens the chassis to cut down flex under hard cornering for more direct steering response and consistent tire grip. This bolt-on upgrade delivers noticeable handling gains on street and track without adding excess weight.
Key Features
- OS-Type Open Design: Lightweight split structure fits tight rear strut spaces on ND Miata for simple install while delivering full rigidity
- 32mm Steel Tubing: High-tensile strength pipe diameter provides robust reinforcement against twisting forces during aggressive maneuvers
- Electroplated Finish: Corrosion-resistant chrome plating ensures long-lasting appearance and performance in all conditions
- Chassis Balance Improvement: Rear bar pairs with front bar to even out flex for flatter cornering and quicker transient response
- Direct Bolt-On Fit: Uses factory mounting points on 2016-2023 MX-5 Miata ND with no drilling or cutting required
Product Notes
- Designed for stock or lowered suspension setups on ND Miata
- Clean with mild soap and avoid abrasive cleaners to preserve finish
- Ships in protective cardboard tube to prevent bending
Installation Notes
- Professional installation recommended.
- Requires basic hand tools and 20-30 minutes per side
- Hardware included bolts directly to OEM strut top mounts
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2016 | Mazda | MX-5 Miata | Sport |
| 2016 | Mazda | MX-5 Miata | Club |
| 2016 | Mazda | MX-5 Miata | Grand Touring |
| 2017-2023 | Mazda | MX-5 Miata | All Submodels |
| 2017-2023 | Mazda | MX-5 Miata RF | All Submodels |
Why Choose Cusco?
- Developed for Japanese motorsport with WRC and Super GT testing
- CNC-machined brackets for exact ND Miata fitment
- Proven durability in daily and competition use
Frequently Asked Questions
-
Q: Will this fit 2017-2023 Mazda MX-5 Miata models?
A: Yes it fits all ND chassis 2016-2023 including RF retractable hardtop versions with identical rear strut towers -
Q: What material is the bar made from?
A: Seamless high-tensile steel tubing with 32mm diameter electroplated for rust protection and strength -
Q: Is warranty included and what does installation involve?
A: Cusco offers 1-year manufacturer warranty. Installation bolts to factory locations in under an hour using included hardware
Shipping & Handling
- Method: UPS Ground
- Availability: In stock - ships same or next business day
- Packaging: Protective tube 38 x 5 x 5 inches
- Weight: 3.5 lbs
Cusco
Cusco is a Japanese performance parts manufacturer with over 40 years of motorsports experience, producing coilovers, suspension braces, differentials, roll cages, and chassis reinforcement components for top sport compact and all-wheel-drive platforms. Cusco parts are built to motorsport tolerances and are used by professional race teams competing in Japanese domestic market racing series alongside street performance enthusiasts worldwide.Popular UpgradesCusco coilover kits, strut tower braces, and rear member braces are the most popular products for Subaru WRX and STI, Toyota 86 and GR86, Mazda Miata, Honda Civic, and Mitsubishi Evo platforms. Cusco limited-slip differentials and differential braces provide improved traction and reduced chassis flex for track and autocross builds on AWD platforms. Cusco adjustable control arms and camber kits allow precise alignment correction after lowering springs or coilovers are installed.What chassis bracing does Cusco make for the Subaru WRX...
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