Independent Riser Pads.
Custom molded with Independent Truck Co. logo, designed to be durable with precise specifications to fit your Indy Trucks properly. Each order includes a package of 2, which is what you'll need for one full skateboard assembly (for two trucks).
Currently available in 1/4" thickness from ChutingStar-Skate.
You will need 1.25" hardware to mount these pads with your trucks.
For a thinner pad, see the Independent Shock Pads, also available from ChutingStar-Skate.