Since 1990 Bill's Hot Rod Co. has had one goal in mind; to design alternator, air conditioner and power steering brackets that fit and are easy to use, as well as affordable and stylish. Brackets come completely assembled with all stainless steel bolts and washers, illustrated instruction sheet, and belt size recommendations with adjusting tips. Kit Includes: 600 Series SBC Wide Set Alternator Bracket, Short The 600 Series alternator brackets fit GM 10-SI or 12-Si alternators. Brackets position the units over the valve covers. Brackets come completely assembled with all stainless steel bolts and washers, illustrated instruction sheet, and belt size recommendations with adjusting tips.