TKR6033D – Shock Spring Set (1.5 x 9.75T, 3.71lb/in, 73mm, orange) Vehicle Compatibility • TKR6033D - Shock Spring Set (1.5 x 9.75T, 3.71lb/in, 73mm, orange) is not included with any kit. • This can be used with the EB48 2.1, EB48 2.2, NB48 2.1 and NB48 2.2 vehicles and should be a direct replacement for the stock part or used as a feature. Please use the instruction manual for the kit(s) listed to verify compatibility and no additional items are necessary before purchasing.Click the links above to view other parts.