For Sale: Mccullough Supercharger VS57 SN 107799. This is in good shape. Turns with the proper amount of resistance, pulley expands as it should. Also included in this sale is a proper flathead crank pulley (the last one of the batch that Mike from H&H had made) a Navarro gen offset bracket and the proper water neck to use the offset. Item is located in Bel Air, MD 21015. I will ship on your dime, or I will hold and deliver to Hershey with fully paid transaction. Pick up always welcomed. Price $1500.00 More pics available.