Neovane 1" Impeller (large) neovane Only (3) of the (12)

Only (3) of the (12) holes are utilized

These throttles look and perform Great

Very popular for all boating application from ski boats to half cabs

If your pump is a 1/2" or 3/4" port  pump with 8 cover locating screws

Neovane 1" Impeller (large) neovane Only (3) of the (12)Neovane Impeller suit Neovane Pumps with a 1" NPT pipe thread. These pumps also have 2 screws on their covers. This Impeller is classified as a large tapered neovane impeller and has 8 splines and measures 77mm at the wide base & 64mm at the top of the splines. Supplied with cross pin to drive through shaft & a gasket. If your pump is a 1 2" or 3 4" port pump with 8 cover locating screws , you require the smaller 1 2" & 3 4" neovane impeller available