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SKU: 420 540 A | UPC: 4996338420091
Cusco Strut Bar OS Front FC3S RX7 1986-1991 Mazda RX-7
The Cusco Strut Bar OS Front connects the front strut towers on 1986-1991 Mazda RX-7 FC3S models. This brace reduces chassis flex during cornering and hard acceleration. Drivers notice sharper steering response and better stability on track or street.
Key Features
- High Tensile Steel Pipe: 32mm diameter 4-5mm wall thickness delivers rigid connection between strut towers
- Pillow Ball Mounts: Spherical bushings allow natural suspension movement while eliminating rubber deflection
- Type OS Design: Offset layout fits FC3S chassis perfectly without clearance issues
- Electroplated Finish: Silver chrome coating resists corrosion for long-term durability
- Bolt-On Installation: Uses factory mounting points no cutting or drilling required
Product Notes
- Inspect strut towers for damage before install
- Torque bolts to Cusco specifications during assembly
- Packaged in protective cardboard tube for safe transit
Installation Notes
- Professional installation recommended.
- Remove OEM plastic covers to access mounting holes
- Included hardware compatible with stock suspension setups
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1986-1991 | Mazda | RX-7 | Turbo |
| 1986-1990 | Mazda | RX-7 | GXL |
| 1987-1990 | Mazda | RX-7 | GXL 2+2 |
| 1986-1987 | Mazda | RX-7 | Base |
| 1987 | Mazda | RX-7 | Base 2+2 |
| 1991 | Mazda | RX-7 | Base |
| 1988-1991 | Mazda | RX-7 | Convertible |
| 1988-1990 | Mazda | RX-7 | GTU |
| 1989-1990 | Mazda | RX-7 | GTUs |
| 1987 | Mazda | RX-7 | LX |
| 1987 | Mazda | RX-7 | LX 2+2 |
| 1988 | Mazda | RX-7 | SE |
| 1988 | Mazda | RX-7 | SE 2+2 |
| 1987 | Mazda | RX-7 | Sport |
| 1988 | Mazda | RX-7 | 10th Anniversary |
Why Choose Cusco?
- 40+ years developing parts for Japanese motorsports
- Engineered and tested on racetracks worldwide
- Exact fitment from factory CAD data
Frequently Asked Questions
-
Q: Will this fit my 1989 Mazda RX-7 GXL?
A: Yes it bolts directly to 1986-1991 FC3S RX-7 including GXL Turbo and non-turbo models -
Q: What material is used in construction?
A: High strength steel tubing with pillow ball ends and chrome plating for strength and rust protection -
Q: What warranty is provided?
A: Limited warranty against manufacturing defects contact seller for claims
Shipping & Handling
- Method: UPS Ground or FedEx
- Availability: In stock - ships same or next business day
- Packaging: Protective tube 42 x 8 x 6 inches
- Weight: 7.5 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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