Part #: KSB751. The Whiteline rear differential support lock kit is a game - changer for your Subaru. It's an affordable and easy - to - install rear end bushing kit. The stock rear end on WRX and STI models often has issues like excessive play and the annoying 1 - 2 upshift 'clunk' because of soft rubber OE bushings. With Whiteline's performance polyurethane, you can reinforce the rear end. This not only eliminates rear driveline slop but also greatly improves rigidity and input control. Get great performance at an amazing price with Whiteline. Part Number: KSB751
Using this Whiteline rear differential lock kit is straightforward. First, make sure your car is parked on a flat surface and the engine is off. You'll need basic tools to remove the old rear end bushings and install the new kit. Simply follow the step - by - step instructions included in the package. As for maintenance, it's a good idea to check the kit regularly for any signs of wear or damage, especially after long drives or rough road conditions. If you notice any issues, replace the parts as needed. Also, keep the kit clean to ensure its longevity. Don't try to install the kit if you're not confident in your mechanical skills. It's always better to have a professional do it to avoid any problems.
