It is tapped for 7/16 bolts. This bracket is lighter then the cast iron brackets and way less brittle then the cast aluminum brackets. You only get the shiny bracket in the picture (pic 3 and 4), the other pics are factory brackets for reference.
Ford 351W Alternator & A/C Bracket V-Belt Mid Mount Windsor
1969 Ford 351w Alternator Adaptor Head Bracket - fits 69 mustang,torino 10A336
Ford 351W Alternator Bracket Billet Aluminum V-Belt 5.8L Windsor Mid Mount
Small Block Ford 351W Electric Water Pump Alternator Bracket Billet V-Belt SBF
Small Block Ford Water Pump Pulley Underdrive 289 302 351W Alternator Only SBF
Ford Mustang Torino Fairlane Falcon Galaxie 302 351W Alternator Bracket ONE ONLY