Sparco Side Mount Brackets HD Aluminum (004903) is built for track and competition cockpit setups where shell design, driver containment, mounting compatibility, and approval details matter. Review the preserved manufacturer specifications below for sizing, construction, homologation, and mounting notes before purchase.

PMB Performance added this context so customers can compare the seat against their chassis, brackets, harness setup, and intended use without removing the original manufacturer graphics or specs.

Sparco HD Aluminum Side Mount Seat Brackets

Far and away our most popular side mount seat bracket, the Sparco HD Aluminum seat mounts have multiple side holes making it easy to customize your seating position.

The Sparco HD Aluminum side mounts have the added benefit of being able to mount with the legs facing either in or out, giving you more vehicle mounting options. These heavy duty side mounts are larger than the standard Sparco aluminum side mounts. All aluminum construction makes them lightweight, with an anodized silver finish for durability.

Sparco HD Aluminum Side Mount Details

• Manufacturer: Sparco
• Manufacturer part no.: 004903
• Material: aluminum
• Finish: anodized silver
• Weight: 3.4 lbs (1.5 kg) per set
• Multiple mounting positions
  
• Reverse mount option