5.375" blower snout assm. This blower snout includes snout coupler and all mounting hardware. Shaft is made from heat treated steel that has been rifle drilled to make it lightweight and has an .500" ratchet provision to make rotating the motor over to adjust valves or set timing a breeze. Snout housing is billet alum. that has been black anodized and is o-ringed to insure proper seal to the blower front cover. Customer can specify bolt on coupler or boltless blower snout coupler. Snout fits all DMPE and Fowler superchargers but can fit some other roots type blowers with some modification.