Now available from Holley are complete A/C kits that have everything needed for the application. Already have the P/S pump and alternator system from the donor truck or car engine? These complete A/C brackets kits move the compressor up high and away from the frame rail (no more notching!). Included are compressor, pulleys, and tensioner that are manufactured by OE part suppliers many of which are on production cars today. NOTE: This bracket REQUIRES an installation kit for assembly (Part 21????1, 21????2, OR 21????3, see instruction sheet below for the correct installation kit for your application).