Exotek F1 Ultra Front Bulkhead Shim. This simple yet effective accessory allows you to easily adjust the roll center of your Exotek F1 Ultra chassis to the more popular 2mm and 4mm settings, or anything in-between.
The package includes a 2mm and 4mm shim, along with an m3 x 14mm replacement set screw that provides increased thread engagement for added security.
Upgrade your Exotek F1 Ultra and take your on-road racing to new heights with the Exotek F1 Ultra Front Bulkhead Shim.