OS Giken Superlock LSD for Getrag G80
2006-2015 · Getrag G80
These have been 4 years in the making, and supply is limited. Order now to get yours!
Made exclusively for Good-Win Racing by OS Giken. The BEST Limited Slip for a Getrag differential! NOW available here for the Getrag G80 differential that is commonly used in Miata V8, V6, K series and more engine swaps!
Shaftworks USA is a reseller of Good-Win Racing exclusive parts and we offer custom tunes on these LSD units specifically for its use. The pricing reflects reconfiguration of the GWR off the shelf unit for your needs.
This project is years in the making. The Getrag G80 differential that is commonly used in Miatas with V8, V6 and K series swaps, and while the diff itself has many strengths, we found some issues; the standard LSD that comes in them has serious limitations when pushed at the race track with some horsepower, factory LSD units can be hard to find with the right ratios too, and there was a complete lack of a good aftermarket LSD option for it. There was no question, if we were going to develop any LSD for this diff, OS Giken is our first choice. So we got to work with them on this. That involved sending a differential and axles to the OS Giken engineers in Japan so they could work their magic. The result is a massive upgrade over the stock LSD, and this unit fits in diffs that came with OR without a stock LSD originally. That means no more hunting for a diff with the LSD option; you can now more easily find a non-LSD diff with the ratios you want, and then add this OS Giken LSD to it.
OS Giken has been producing performance parts for both OEM manufacturers as well as the aftermarket since 1975. Professional racers, home grown racers, and performance enthusiasts alike have come to know and respect OS Giken, and we are honored to be able to bring these products to you.
So what makes the OS Giken differential so special? It's in the details! There are lots of differential options on the market, but here is what makes the OS Giken stand head and shoulders above the rest.
1. Lock Timing Technology " under normal driving conditions, the OS Giken LSD acts just like any normal differential. Once full power is applied, it turns into a true 100% locking unit. However, unlike other clutch type differentials, what separates the OS Giken from others is how smoothly this transition is performed. In addition, due to unique gear driven center section, the OS Giken differential is extremely responsive, allowing it to transition from lock to unlock instantly.
2. When we say 100% lock, we mean 100% lock! Many lesser differentials on the market claim 100% lockup ability, but due to their low number of disks and small diameter, they never are truly able to sustain such high lock percentages...ESPECIALLY IF YOU HAVE DECENT HORSEPOWER! Not so with the OS Giken. These differentials feature more disks than any other differential on the market, which are placed in a forged housing. This not only keeps heat to a minimum, but spreads the load over a greater number of disks, which is the reason it works so seamlessly.
3. Less understeer = more goodness! When your car enters a corner off throttle, the spring inside the patented pressure control ring reacts immediately and the differential immediately unlocks. This is done so quickly and efficiently, that the car is able to turn in quicker than with conventional differentials. However, when power is put down upon corner exit, the OS Giken unit immediately returns to 100% lockup, allowing for less chance for wheel spin.
4. No More Figure 8s!!! Ever wonder why some aftermarket differentials require you to dizzy yourself with endless figure 8s as a break-in. The reason is simple: "because the components used are not machined as precisely as in other units. The OS Giken unit is built to such stringent tolerances, there is zero break in required. Simply install and goThe uniquely tuned "lock timing" allows the diff to run looser until torque is applied. This feature give the diff a super smooth takeup when exiting corners. Datalogs show it accelerating harder than a factory Torsen or modified OEM clutch type. Fully rebuildable at authorized service centers all over the world. Fully tunable, can even be set up as a full 1 way or 2 way.
FLUID: You must use the OS Giken gear oil with this limited slip! You need one bottle for install, sold separately on our site. Get an EXTRA can too, if driving the car in competition you should change the fluid at least once per season, the schedule in the manual for the average grocery getter does not apply when you race the car!