TKR6031C – Shock Spring Set (1.5 x 10.25T, 3.48lb/in, 78mm, green) Vehicle Compatibility • TKR6031C - Shock Spring Set (1.5 x 10.25T, 3.48lb/in, 78mm, green) is not included with any kit. • This can be used with the EB48 2.1, 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.