TKR7242 – Shock Spring Set (rear, 1.3×12.125, 2.2lb/in, 63mm, black) Vehicle Compatibility • TKR7242 - Shock Spring Set (rear, 1.3x12.125, 2.2lb/in, 63mm, black) is not included with any kit. • This can be used with the SCT410SL vehicle 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 link above to view other parts.