PSI twelve bolt 3.70" 8mm/14mm blower snout assm. This snout is made from billet alum. that is anodized and uses hi speed precision bearings with a billet heat treated shaft to mount the blower pulley to with six .375" bolts. This snout fits B, C and D series blowers. Quil shaft,starter jaw,and rotor gear coupler are all sold separate. The housing is o-ringed for a superior seal to the blower case.