Jim, the pulley is a straight press fit only. It would help to heat the pulley before installing to preserve the crankshaft and the bore of the pulley.

Where Are You From? Texarkana, TX

Do You own a car built by Durant? Several plus 1

Don:
It doesn't appear to have a tapered shaft. Should I heat the pulley and drive it on with a block of wood and hammer? I don't want to damage the crank.

Where Are You From? Lombardy on.

Do You own a car built by Durant? D40