billet coolant flange / thermostat housing, AAN small chassis conversions
Dropping an AAN / 3B 20v turbo engine into your small chassis Audi? This billet aluminum coolant flange will clear your serpentine or belt drive accessories and clear the side-mount radiator allowing you to connect the lower radiator hose properly. Finished in clear or black anodized for a lifetime of service. Color subject to current availability.