This custom application kit is suited to our 16" Solo Seats, as the angle on the shocks is designed to accommodate the curve of the seat. Ships fully assembled as shown, and includes a single 4" adjustable air shock, seat mount post, angled frame mount post. Beefy powdercoated black steel parts can withstand any punishment. Fill it to your own specifications with pressurized air. This kit is also suitable for adapting our part number SLMK-SP1012 into an air shock kit.