These gear covers have the look of the Team Associated 6608 gear cover. This is a new mold created with additional clearance for the spur gear and ball cup, it fits up to a 87T 48 pitch spur gear.

These are made from HDPE .030 plastic which has a similar feel to the original. It has clear cut lines, you will need to mark the mounting holes for the transmission plate. Includes an authentic looking gear cover plug.