so you can create a period-correct scheme or something entirely your own

This is the Hot Racing 24mm Hex Hub Wheel Lock Set for the Traxxas X-Maxx Monster Truck

PH-2S-5200-35C-XT60 with Adapter: XT60 connector with Traxxas-style adapter

preventing the bumper from absorbing impacts

Powerhobby 4S 14.8V 2200mah 120c Lipo Battery w XT90 Plug N Rolling Stock so you can create aPowerhobby 4S 14. 8V 2200mah 120c Lipo Battery w XT90 Plug 120C Continous 240C Brust Description The Powerhobby 4S 14. 8V 2200mAh LiPo Battery delivers responsive power, reliable voltage and a practical balance of runtime and weight for a wide range of RC applications. Its compact soft case construction makes it suitable for compatible RC cars, trucks, buggies, boats, airplanes, helicopters and drones requiring a 4 cell battery. Choose the 50C version