TKR7247 – Shock Spring Set (rear, 1.3×8.875, 3.22lb/in, 63mm, red) Vehicle Compatibility • TKR7247 - Shock Spring Set (rear, 1.3x8.875, 3.22lb/in, 63mm, red) is included with the ET410.2 kit and can be used as a replacement part for that vehicle. • This can be used with the ET410 and SCT410SL 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.