PSI 200 B or H screw blower distribution/restraint plate. This plate goes between the blower and blower manifold and is made from .250" billet alum. and O-ringed to provide superior seal.
Distribution plate has been machined to allow the air to come out the bottom of the blower and be routed to the cylinders to help try and even up fuel distribution. Plate uses .130" O-ring cord #700-022.