Shim Overview: These Head Gasket Shims are used ...
as an optional tuning aid for the Nova Engines T6 and T6R Truggy engines. This pack of four shims allows you to fine tune your engine for changing track conditions or different ...
Gasket/Shims for the TRX 3.3 line of engines. The head shim is the thin circular piece that goes between the head button and the top of the cylinder sleeve and can be ...