There are several different types of this unit. They all bolt solidly into a pulley sandwiched between a Cast Iron Hub that installs onto the end of the crankshaft. Real cool items to keep the cracks away.
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Title: Early Inertia Hub
Description: There are several different types of this unit. They all bolt solidly into a pulley sandwiched between a Cast Iron Hub that installs onto the end of the crankshaft. Real cool items to keep the cracks away.
