TKR6669C – Spindle Arms (L/R, EB/ET410, requires TKR6553X, Type C) Vehicle Compatibility • TKR6669C - Spindle Arms (L/R, EB/ET410, requires TKR6553X, Type C) is not included with any kit. • This can be used with the EB410, EB410.2, ET410, ET410.2 and SCT410SL vehicles but you will need TKR6553X for the EB410, EB410.2 and ET410.Click the links above to view other parts.