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Vivid Racing Gear 
CUSCO 183 421 A Suspension Upper Mounts
If you're looking to upgrade your vehicle's suspension system, the CUSCO 183 421 A upper mounts are an excellent choice. Designed to replace the factory rubber mounts, these components provide a more solid connection to the road, enhancing your driving experience.
Key Benefits
These upper mounts are particularly beneficial when paired with suspension coilovers. By eliminating the soft, factory rubber, they allow the suspension to absorb road irregularities more effectively, resulting in improved steering control and a more responsive ride. You'll notice the difference during hard cornering, where maintaining alignment specs becomes effortless.
Features & Specifications
- Types Available: Camber Adjustable and Fixed types, including options for gravel rally.
- Material: Crafted from 6mm thick 2017S duralumin for durability.
- Compatibility: Designed to work seamlessly with a variety of shock absorbers, whether OE or aftermarket coilover kits.
- Pillow Nut and Collar: Comes with Pillow Nut (M12x1.25mm, Depth 5mm) and Collar (06).
Specifications
- Fixed Type
- Compatible with OE springs
Installation Guide
For detailed installation instructions, click here.
Vehicle Fitment
- Toyota Supra (MK III) MA70 3.0L 7M-GE/7M-GTE 1987-1992
- Toyota Supra (MK IV) JZA80 3.0L 2JZ-GE NA / 2JZ-GTE Twin Turbo 1993-1998
Customer Experiences
Many customers have shared their satisfaction with the CUSCO 183 421 A upper mounts. One driver reported a noticeable improvement in handling and responsiveness after installation, stating, "The steering feels more direct, and the car handles corners like a dream!" Another customer highlighted the ease of installation and the solid feel of the mounts, noting, "Switching to these mounts was one of the best upgrades I've made for my Supra." They appreciated how well the mounts worked with their coilover setup, making every drive more enjoyable.
Important Notes
- Images are for representation only. Actual product may vary.
Other Part Numbers:
Cusco #cus183 421 A
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov
Cusco is an independent aftermarket company in Japan specializing in manufacturing high-performance parts such as drivetrain components, suspension, chassis bars, including strut towers, engine parts, roll cages, and more.
They are widely known in the automotive industry and have participated in various race series within and outside Japan.
Today, they have become the go-to brand of aftermarket tuners all around the globe.
Racing BackgroundCusco has created many racing vehicles for different racing disciplines, such as rallying, track racing, autocross, time attack events, and gymkhana.
With a history of producing the best race cars in its class, they have used that knowledge and have translated it to all their products creating the best performing and safest parts out there.
Improves Driving ExperienceCusco's goal is to improve each car's potential to provide the driver with the best experience possible. It helps the car provide better feedback to the driver, which helps the driver create better judgment and confidence to trust their vehicle.
Inhouse Manufacturing ProcessCusco maintains its high-quality standard by doing their parts inhouse. From design to manufacturing, they have created a dedicated facility that would help them ensure that it passes their strict requirements, providing the clients with the best products they deserve. The company is also ISO 9001 certified, meaning all of its processes have passed the standard requirement of the regulatory commission.
Struts and Roll cagesCusco has been very popular when it comes to chassis stiffeners and roll cages. They create one of the best roll cages that comply with the racing body's standards. Their design helps improve chassis stiffness and rigidity, making it handle better and helps protect the driver in case of an accident. It is intended to save dozens of lives on the race track and in the streets.
Purchase Cusco Parts at Vivid RacingCusco has been supplying parts for almost a decade among thousands of enthusiasts worldwide. With its track record of providing parts that outperform the competition, they are a brand that anyone can count on. Visit Vivid Racing and check out the list of Cusco products specific to your needs.
| Sale price | None |
| Wholesale price | $264.32 |
| Shipping |
Weight: 3.00 Length: 12 Width: 6 Height: 6 |
| Product Added At | Wednesday 15 November, 2023 |
| Product Modified At | Friday 11 July, 2025 |
| Imported By | ETLOverride |
| Last Edited By | Turn_API |
| View In Admin |
| Carb Approved | - |
|---|---|
| Carb Number | - |
| Epa Status | N/A |
| Prop65 | Unknown |
| Carb Required | - |
| Vendor | Inv | Cost | Retail | Jobber | MAP | Core | Updated | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Turn 14 | $224.00 | $320.00 | ? | $288.00 | ? | 2025-07-11 10:13:51 |
