Since the speedy sleeve will increase the diameter of the axle shaft by few thousandths be sure you only cover the seal lip area, not the part of the axle that fits through the bearing. It might be necessary to narrow the sleeve a little to be sure you only cover the seal area of the axle, not the load-bearing part.
There's also 3 7/8" diameter sleeve available that would fit the rear main bearing seal area on a 216/235/361 crankshaft. I'm not sure it would work with an OEM rope or rubber seal, but the engines I'm machining for the full circle lip seal would definitely be a candidate for a non-wearing stainless steel crankshaft sealing surface on an engine buildup!
Jerry


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