1977 Ford E-350 Econoline Club Wagon Engine: 5.8L V8; SHORT D:Idler Pulley Assy.; w/Factory Air;. 1977 Ford E-350 Econoline Club Wagon Engine: 7.5L V8; SHORT D:Idler Pulley Assy.; w/Factory Air;. 1978 Ford E-350 Econoline Club Wagon Engine: 5.8L V8; SHORT D:Idler Pulley Assy.; w/Factory Air;.
