Weiand Supercharger Gasket (WM6901)177 BLOWER MANIFOLD BASEGASKET Supercharger To Manifold 177 Series Part Number: WM6901 Weiand 177 Supercharger to manifold gasket Weiand developed the first ever aluminium intake manifold in 1937. Thirty years later Weiand developed complete blower drives for the GMC 6 71 supercharger. Today, Weiand is still at the forefront of intake manifold and blower development as well as high flow water pumps. To make more power you have to get more air to your