SPE MOTORSPORT S550 MUSTANG S8.8 LSD SPOOL KIT

SPE-C100125 SPE has developed a drop-in spool kit for the S550 Mustang 2015-2023 to help combat issues with high horsepower applications.  The Ford Super 8.8 Differential is very strong. In a perfect world, going in a straight line, the LSD should apply even power to both rear tires. The factory LSD clutches were never designed to handle over 700hp. The car will become unstable and inconsistent when applying power beyond this level. In other words, if the chassis is upset or the track grip changes and one of the clutch packs fails to hold, the tire will grip and apply all the power to the opposing tire. If this happens, the car will pull and move in unwanted directions or, worse, cause a wreck. The SPE S8.8 spool kit corrects this issue by always applying even power to each tire. It can also fix issues on decelleration in a high grip situation where an LSD can be problematic.   SPE has designed our S8.8 spool kit to not only fix the downfalls of the LSD under high power but also streng