Description: A steel shaft adapter to convert a crankshaft from 1 inch shaft to 1 1/8 inch shaft. The adapter is approximately 3 inches long and includes the special key needed to go from the key way in your shaft, THOUGH the adapter and in to the pulley. Common key stock isn't thick enough to account for the added thickness of the adapter. All cnc machined in the USA for a perfect fit. A very handy way to use your old pulley on a new engine Package Includes: 1 x Shaft Sleeve Adapter Kit
