BlackPath - 1979 - 2004 Ford Mustang Smog Pump Eliminator Kit AIS 5.0L Air Pump Delete Pully (Polished) T6 Billet Fits All 1979 - 2004 Ford Mustang Models Designed to eliminate the factory smog/air pump, freeing up more room in the engine bay and horsepower Includes 1x Smog Pump Eliminator w/ Installation Hardware CNC Machined from T6 Billet Aluminum with low friction high speed bearings for the pulley Comes with detailed Installation Instructions (1x) Smog Pump Eliminator Hardware w/ Installation Notes (1x) Drive Your Way Keychain Tag