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SKU: 9A3 540 A | UPC: 4996338039316
Cusco OS Front Strut Bar 15-20 RC350 / 16-20 GS-F / 15-20 RC-F - Does not Fit IS350
Cusco OS Front Strut Bar ties together the front strut towers to minimize chassis flex on Lexus performance sedans and coupes. This direct bolt-on part fits 2015-2020 RC350 2015-2020 RC-F and 2016-2020 GS-F models. Drivers notice sharper turn-in quicker steering response and flatter cornering from added front-end rigidity.
Key Features
- Oval Shaft Design: 42mm x 20mm x 2.2mm thick tubing delivers higher torsional resistance than round bars for effective body stiffening
- Spherical Pillow Ball Ends: Precision pillow ball bushings absorb suspension movement while locking towers rigid for direct feedback
- High-Tensile Steel Build: Lightweight at 3.6 kg construction resists deformation under hard cornering track use
- Black E-Coat Finish: Electrophoretic coating prevents corrosion ensures long-lasting appearance in harsh conditions
- Slotted Mounting Holes: Adjustable slots accommodate production tolerances for perfect factory-like fitment every time
Product Notes
- Confirm vehicle submodel compatibility prior to purchase as chassis variations exist
- Clean mounting surfaces before install to ensure secure attachment
- Packages in protective cardboard tube ships via ground carrier
Installation Notes
- Professional installation recommended.
- Bolts directly to OEM strut tower holes no drilling or cutting required
- Torque pillow ball nuts to 40-50 Nm using included hardware
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2015-2020 | Lexus | RC350 | All |
| 2015-2020 | Lexus | RC F | All |
| 2016-2020 | Lexus | GS F | All |
Why Choose Cusco?
- Japanese motorsport heritage with parts used in Super GT rally applications
- Strict manufacturing standards ensure consistent dimensional accuracy
- Direct factory engineering matches Lexus chassis geometry precisely
Frequently Asked Questions
-
Q: Will this fit 2014-2021 Lexus IS350?
A: No this bar fits RC platform chassis only. IS350 uses different strut spacing and does not align -
Q: What material and finish does the bar use?
A: High-tensile steel oval tubing with black electrophoretic coating for rust protection and durability -
Q: What is the warranty and install process?
A: Cusco provides limited warranty against manufacturing defects. Bolt-on install takes 30-60 minutes with basic tools
Shipping & Handling
- Method: UPS or FedEx Ground
- Availability: In stock - ships same or next business day
- Packaging: Sturdy cardboard tube 47 x 6 x 5 inches
- Weight: 8.6 lbs shipped 3.6 kg actual
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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