1651i Ford 460 water pump impeller for 9 bolt casting LSG875IThe LSG875I casting used in the Ford 460 CID engine found in marine, industrial and generator applications has become obsolete. The solution for many is to replace the 9 bolt timing chain cover and use a readily available 11 bolt. We learned, unfortunately, the price tag for the parts falls between $800 and $1,000. We are now offering our high flow impeller for rebuilds of this OE water pump. A 16 vane CNC machined billet impeller designed with an