Mounting radiators can be a real pain, but this radiator mounting hardware makes it a little easier. Choose either steel or aluminum. Don't forget the rubber insulator pads.
917-34700-STL
This kit contains 4 steel brackets. The lower brackets measure 3-1/4" inside to inside. The upper brackets measure 2-1/2" inside to inside.
917-34700-ALU This kit contains 4 pieces. 2 lower mounts brackets and 2 upper mount brackets (for weight savings). The lower brackets measure 3-1/4" inside to inside. The upper bracket measure 2-1/2" inside to inside.