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Vivid Racing Gear 
LSD 165 K2 Limited-Slip Differential: Unlock Your Vehicle's Potential
The LSD 165 K2 is a premium Limited-Slip Differential designed to optimize your vehicle's performance by enhancing traction and stability. Unlike standard open differentials that can leave you spinning your wheels in challenging conditions, the LSD 165 K2 ensures that power is effectively distributed to all driving wheels. This is crucial for motorsports applications where every bit of grip counts.
Key Features of the LSD 165 K2
- 2-Way Configuration: Available in both 1.5 and 2-way options, allowing you to choose the locking behavior that best suits your driving style.
- Precision Engineering: Developed with nearly half a century of motorsport experience, ensuring reliability and performance under demanding conditions.
- Tunable Locking Mechanism: Fine-tune the locking strength and responsiveness to match your specific driving needs, whether on the track or the street.
- Comprehensive Compatibility: Designed to fit a variety of Mazda models, making it a versatile choice for enthusiasts.
Specifications
- Type: 2-way (1.5 & 2-way)
- Fitments:
- Mazda RX-7 FC3S MT (1986-1991) - OEM Diff: OPEN/TORQUE SENSING, 13BT
- Mazda RX-7 FD3S/JM1FD MT/AT (1993-2002) - OEM Diff: TORQUE SENSING, 13B-REW
- Mazda RX-8 SE3P MT/AT (2003-2012) - OEM Diff: OPEN/TORQUE SENSING, 13B-MSP
- Notes: Images are for representation only. Actual product may vary.
Benefits Over Factory Components
Upgrading to the LSD 165 K2 can significantly improve your vehicle's handling and performance compared to factory components. The advanced locking mechanism minimizes wheel spin and maximizes traction, especially in slippery or uneven conditions. This results in better acceleration out of corners and improved stability during high-speed maneuvers.
Customer Insights
Many customers have shared their experiences after installing the LSD 165 K2. One user noted that their Mazda RX-7 felt much more planted during aggressive cornering, providing a level of confidence that was previously missing. Another driver mentioned that the tuning options allowed them to adjust the differential’s behavior to suit both daily driving and track days, making it a versatile addition to their vehicle.
Optimize Your Setup
At Cusco, we understand that the performance of an LSD system goes hand-in-hand with the overall handling of your vehicle. That's why we offer a complete line of chassis bracing, suspension systems, and alignment correction components. By optimizing every aspect of your car, you can achieve a perfect balance tailored to your driving style and competition goals.
Other Part Numbers:
Cusco #cusLSD 165 K2
⚠ 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 | $1,244.78 |
| Shipping |
Weight: 24.00 Length: 10 Width: 10 Height: 10 |
| 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 | $1,054.90 | $1,507.00 | ? | $1,356.30 | ? | 2025-07-11 10:13:58 |
