Material : Chrome steel , triple plated Copper / Nickel / Chrome

Bolts : This bracket does not come with mounting bolts

Lower : This this one of two brackets it takes to make up the lower alternator bracket on short water pump applications the other is MCC566 can be purchased separately

Thickness :  This is stamped from approximately ..190 thick steel.

Mounting : This lower bracket mounts to the drivers side of the engine by bolting to MCC566 sold separately which is mounted over the primary header tube and thru the first 2 header bolts to hold the lower portion of the alternator