965403 Sprocket shaft bearing spacer shim .106"

Setting the correct pre-load on your sprocket shaft bearing is essential for the longevity of any Sportster bottom end. This MCS sprocket shaft bearing spacer shim is .106 inches thick and is a direct replacement for OEM 9145 and 965403. It is designed to fit 1977 to 2003 XL Sportster models, providing the precision needed during engine assembly to ensure the crank rotates smoothly without excessive play. Using the right shim is the difference between a reliable build and premature bearing failure. If you are performing a full teardown or just refreshing the bottom end, this individual shim allows for fine-tuning the tolerances of your motor. It’s a small but vital component for any mechanic working on Ironhead or Evolution-era Sportsters.