You will notice that the inner Diameter of the Spacer is "turned down" to a smaller O.D. This is to leave a small area for tranny lube to collect and hopefully keep the Gear nice and rotating. It can also be done to reduce friction
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Title: Main Shaft Gear Spacer
Description: You will notice that the inner Diameter of the Spacer is "turned down" to a smaller O.D. This is to leave a small area for tranny lube to collect and hopefully keep the Gear nice and rotating. It can also be done to reduce friction