Chevy Small Block Aluminum Billet Swivel Thermostat Housing Water Neck for Big Block

Short Description:

Billet Aluminum Water Neck Thermostat Housing Chevy Small Block Big Block * 1.25”  ID Hose connect (avail.1.5” or 16AN) * O-ring Seal * Billet Machined Aluminum * Clear/Black Anodized finishing It Fits:  Chevy Small /Big Engines Item Code Finished   181406-100 Clear Straight up 181406-200 Black Straight up 181407-100 Clear 90 Degree 181407-200 Black 90 Degree 181409-100 Clear 45 Degree 181409-200 Black 45 Degree