TKR6139B – Shock Piston Set (flat/flat, req. TKR1267, 2×1.6 + 2×1.7, 4pcs) Improve the durability of your 1/8th scale buggy shocks with these molded pistons from Tekno RC. These , more durable pistons use the larger TKR1267 washer first released in the ET/NT48 2.2 vehicles. They are now available in configurations for buggies as well as a blank piston with 16 dimples. They are a direct replacement for TKR6138, TKR6139 and TKR6131 and require TKR1267. Vehicle Compatibility • TKR6139B - Shock Piston Set (flat/flat, req. TKR1267, 2x1.6 + 2x1.7, 4pcs) is not included with any kit. • This can be used with the EB48 2.0, EB48 2.1, EB48 2.2, NB48 2.0, 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.