This high-quality Chevrolet Smog Pump is designed to fit perfectly into your 1978-1984 vehicle, as well as your 1978 84 Chevy Van, Truck, Camaro, Chevelle,  With its reliable performance and easy installation, this Smog Pump is the perfect solution for ensuring that your vehicle complies with all necessary emission standards.  It is in like New  used,  condition.  Comes with mounting bracket and diverter Valve. and Pulley. .spins freely. ... Sold "AS IS",  no warrant. No returns.  Will ship within 2 days of clear payment. Thanks for looking