Heater Hose Outlet Pipe: AF 5/8 ThreadThis heater, manifold, and water pump outlet pipe with AF 5 8 thread is compatible with a wide range of vehicles, including 1980s models and Chevrolet V8 engines from 1969 small block and 19651972 big block series. One 1 3 4" long fitting for 5 8" hose and one 1 3 4" long fitting for 3 4" ID hose. Pipe kit as shown. For alternative thread options, please refer to part numbers PW210304A and PW16655.
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