The Mid-mount system comes with everything you need. All accessories are included: the water pump, A/C compressor, Alternator, and P/S pump with reservoir. All pulleys and the belt are supplied. Even A/C line adapter, heater hose adapters, power steering to -6 AN hardline, and the alternator plug/harness are included. Easy assembly was a priority during the entire development of this accessory solution. Color graphical instructions walk you through every step of the ultra-easy installation. 20-240 / 20-240BK – Small Block Chevrolet Accessory Drive 20-242 / 20-242BK – Big Block Chevrolet Accessory Drive |