Billet Thermostat Housing

Billet thermostat housing, 100% made in the USA.  These are designed for your stock 2001-2010  Duramax. 
 
$495 plus shipping for slip fit 1-1/2 inch hose, 1-3/4 inch hose or  -20AN fitting
 
Black or Blue housing with any combo color outlet (blue, black or clear)