Spark armor

A power sourced from the Allspark itself, any non-sentient vehicle or machine could be added on as Spark Armor to a Cybertronian, combining its capabilities and weaponry with that of the wearer. This includes tank guns, missiles, flight, drills, drilling, and the like.

Fiction

Cyberverse cartoon

When Optimus Prime and Megatron both arrived to claim the AllSpark, its guardian Cheetor granted them spark armor from a jet and helicopter, respectively. Trials Starscream later demonstrated the power of the Allspark to Slipstream and the assembled Seekers by merging with a construction vehicle in the same coloration as a Constructicon. He later used his new upgrade in an attack against the Nemesis and Megatron. Dark Birth

Later, he gave Sky-Byte and Jetfire spark armor from a tank and drill-mining vehicle, while lying to their faces saying neither had "had anything like this". Both kidnapped the other's respective leader, dueled in the Collosseum at Megatron's suggestion, and flew home with their respective leader. Infinite Vendetta