340-360 Chrysler large port 6-71/8-71 polished blower manifold assm. Blower manifold is 6.960" tall from block deck surface to blower mounting surface. Manifold includes factory style water outlets and the manifold includes a backfire valve assm. The manifold is designed for a 2.20" x 1.060" factory large port. Special order manifolds take four to six weeks for delivery.