Sparco Aluminum Heavy Duty Seat Side Mounts are used to securely mount competition seats. Side mounts have multiple side holes that provide a customizable mounting position for easier seat installation. These seat mounts feature and all aluminum construction available in anodized silver only. The Sparco Aluminum Heavy Duty Seat Side Mounts have an added benefit of being able to mount in either direction with the legs facing in or out giving you even more vehicle mounting options. These mounts are larger than Sparco's standard Aluminum Side Mounts. Includes Qty-4 8x1.25 bolts (side mount to seat).