these hexes install the same way as the factory parts for a simple upgrade

Piston and Sleeve and two Wrist Pin Clips for the Traxxas TRX 3

Traxxas Lightweight Aluminum Turnbuckle Red T-Maxx (2)

High and low speed needle valves

Kato 20-420 N 124mm (4 7/8") Single Track Straight Viaduct Track (2) UniTrack Motor/ESC Combo these hexes install the sameKato 20 420 N 124mm (4 7 8") Single Track Straight Viaduct Track (2) UniTrack Fill shorter gaps in your elevated line with this pair of 124mm (4 7 8") single track straight viaduct sections. Each combines Unitrack nickel silver rail and roadbed with a molded viaduct structure and side walls, making it easy to complete elevated runs with clean, consistent geometry. Pair with Kato piers to set the height of your line. Snap together UniJoiners connect