If you're looking to step up your differential game, the Tomei 1.5 Way LSD is worth a look. This isn't just another upgrade; it's a serious piece of engineering that gives you more lock when you're on the gas and less when you're on the brakes. That means you get a smoother, more natural feel when you're handling those tight corners or coming to a stop. It's all about making your ride more enjoyable without sacrificing control.
What sets this bad boy apart? Well, it packs a total of 24 friction discs—yep, that's double what most stock units offer. This means you get a more consistent torque transmission, which translates to better control on the road or track. The spring discs are cleverly designed to engage the clutches in the T-TRAx Advance LSD, giving you that high initial torque in a compact package. Plus, it's been tested under some pretty extreme driving conditions, so you know it's built to last.
One of the best parts? You don't have to swap out your side flanges like you used to with other LSD upgrades. The T-TRAx Advance lets you stick with your original factory side flange, which can save you some cash. Just keep in mind that for some models, you'll still need to switch those out, so it's worth checking your setup before diving in.
This kit comes with everything you need for a straightforward upgrade: special differential oil, carrier cover gaskets, bearings, and oil seals. No hunting around for extra parts—Tomei has you covered.
Other Part Numbers:
Tomei #561521
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov
| Vehicle Make/Model | Year | Trims |
|---|---|---|
| Nissan 240SX | 1989-1990 | XE |
| Nissan 240SX | 1989-1998 | SE |
| Nissan 240SX | 1989-1993, 1995-1998 | Base |
| Nissan 240SX | 1991-1992, 1997-1998 | LE |

Tomei is one of the most recognizable brands when it comes to performance tuning. The company started in 1968 by Mr. Seiichi Suzuki and initially tuned race cars. Their concept is “To produce a great product for ultimate driving pleasure” which has translated into all their parts, making it a sought-after brand worldwide. Today, Tomei is used by various enthusiasts, tuners, professional drivers, and racers everywhere.
Racing HeritageTomei has its roots firmly attached to motorsports racing. With its experience in creating fast cars for decades, it was able to create parts that are considered as one of the most.sophisticated and technologically advanced parts in the market. Not only does it produce power. It ensures that it maintains its reliability as well.
The company offers a wide range of products, ranging from engine components such as camshafts, valve springs, pistons, connecting rods, cam gears, gaskets, limited slip differentials, exhaust systems, and more. Their parts are designed to perform well, not only on the streets, but on the track as well.
They have various race track records under their belt to prove it.
Purchase Tomei Products at Vivid RacingIf you want to upgrade the performance of your vehicle, then Tomei is the right brand for you. The company has consistently provided its customers with high-perfromance products that deliver what it promised. Using only the highest quality of materials available, which includes Titanium, they are able to develop parts that are strong and lightweight. This is the formula for a better performing engine. Visit Vivid Racing and check out their list of products that would fit your specific requirement.