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Vivid Racing Gear 
LSD 3A9 C Limited-Slip Differential
The LSD 3A9 C Limited-Slip Differential is designed to enhance your vehicle’s traction and performance, especially in demanding driving conditions. Unlike standard open differentials commonly found in everyday cars, this advanced differential ensures that power is effectively transferred to the road, optimizing your driving experience whether you're on the track or navigating challenging terrains.
Key Features
- Locking Mechanism: Features a 1-way locking system with a default angle of 45 degrees, and an optional 1.5-way configuration with 45-degree/15-degree settings for tailored performance.
- Initial Torque: Offers an initial torque setting of 3-5 kgf-m, allowing for customizable grip based on your driving style and conditions.
- Precision Engineering: Built with a focus on fine-tuning, the LSD 3A9 C allows for adjustments in locking strength and responsiveness, ensuring optimal performance when you need it most.
Benefits of Upgrading to LSD 3A9 C
When you upgrade to the LSD 3A9 C, you're not just replacing a factory component; you're investing in a system that significantly improves your vehicle's handling and responsiveness. This differential reduces wheel spin during acceleration, particularly in slippery conditions or when cornering, giving you greater control and confidence behind the wheel.
Additionally, the LSD system is designed to work harmoniously with your vehicle's suspension setup. By providing better traction, it helps maintain stability and balance, which can lead to improved lap times and a more enjoyable driving experience.
Specifications
- Type: 1-way (45 deg. Default, 1.5-way 45 deg./15 deg. optional)
- Initial Torque: 3-5 kgf-m
Fitment
The LSD 3A9 C is compatible with the following models:
- Honda Civic Type-R (10th Gen - FK8) FWD, K20C1 (2.0L Turbo) 2018-2022
- Honda Civic Type-R (11th Gen - FL5) FWD, K20C1 (2.0L Turbo) 2023-2024
Customer Feedback
Many drivers have shared their positive experiences with the LSD 3A9 C. One customer noted, "After installing the LSD 3A9 C in my Civic Type-R, I immediately felt the difference during track days. The car feels glued to the road, and I can push it harder through corners without worrying about losing grip." Another user mentioned, "This differential has transformed my driving experience on both the street and the track. The adjustability allows me to customize it perfectly for my needs." Their feedback highlights the noticeable improvements in handling and performance that this product brings.
Important Note
Images provided are for representation purposes only. The actual product may vary slightly in appearance.
Other Part Numbers:
Cusco #cusLSD 3A9 C
⚠ 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 | $1,519.84 |
| Shipping |
Weight: 33.00 Length: 30 Width: 14 Height: 12 |
| 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 | $1,288.00 | $1,840.00 | ? | $1,656.00 | ? | 2025-07-11 10:13:59 |
