This SKF 99266 Differential Pinion Repair Sleeve replaces Timken KWK99266, Schaeffler SR3533, OEM parts and is perfect for replacement or a performance upgrade. .
This repair sleeve allows for a perfect repair of damaged or rusted Mazda rotary engine flywheel and rear counterweight seal journals. Installation is simple and easy especially if you have access to a hydraulic press. However, a press is not required for installation. The same excellent results can be obtained by tapping the sleeve into place utilizing a hammer and the installation tool.
Does a great job once you figure out how to install it correctly. I had to ruin one to learn but it definitely fixes grooves and other abnormalities.. works best with hydraulic press.