Canton Water Neck Spacer - 1 in Thick - Two 3/8 in NPT Ports - 1/2 in NPT Gauge Port - O-Ring - Billet Aluminum - Clear Anodized - Chevy V8 - Kit-80-116--Notes: HAS (2) 3/8 NPT PORTS AND (1) 1/2 NPT PORT. PLUGS FOR ALL 3 PORTS ARE INCLUDED. 1-1/4 TALL State Restrictions- Canada Restriction-NO -Emission Warnings--NO Truck Freight ---NO