The Spectre heater hose fitting has a 1/2 inch NPT thread on one end and a 3/4 inch barbed hose fitting on the other with an overall length of 2-7/8 inches long. This triple chrome plated fuel hose fitting is designed for small block Chevrolet engines with a short water pump. Product Features:Fits small block Chevys with short water pump1/2 inch NPT to 3/4 inch barb fitting2-7/8 inches in lengthTriple chrome plated
