1 (One) Grunion Fabrication Heavy Duty Double Compressor Mounting Bracket w/ 8 (Eight) Viair Rubber Isolators. Note – Isolators do not come installed so you can custom finish your bracket to match your air set up. May require drilling for proper fitment. DOES NOT INCLUDE COMPRESSORS. Please see our other listing for Single Compressor Mount. Size: 22″ Wide x 5″ Deep x 3 High. Mounting: 3/8 Bolts (Not Included) or Weld Directly to Frame. Dual Isolator Enhanced Quiet Performance w/ Isolators on Compressor and Bracket. Specifically Designed for Maximum Air Flow to Increase the Life and Performance of your Compressor. Cold Rolled Steel – This is a rolling process done at temperatures that are close to normal room temperature to create cold rolled steel, this results in increased strength by as much as 20% through the use of strain hardening. CRS delivers a more precise finished product than our competitors Hot Rolled Steel.