You can customize any standard KIRKEY seat by bolting on Head, Shoulder and Leg Supports. They can be easily installed on any KIRKEY seat and make it even safer and more comfortable. They give increased side support to the thighs, shoulder and head under heavy cornering and especially incase of side impact. These side support are made out of the same grade aluminum as the seat and are available in the same upholstery materials and color.Pit Stop USA offers Kirkey Shoulder Support - Right - (Cover Sold Separately) 500 at low everyday prices. Be sure to check out all of our products from Kirkey Racing Fabrication including Kirkey Shoulder Supports and Kirkey Shoulder Support.