[AnimalMuppet]

For those of us not fluent in UK slang, what does a "ton" mean in this context?

[implements]

It has British sub-cultural roots:

https://en.wikipedia.org/wiki/Rocker_(subculture)

During the 1950s, they were known as "Ton-Up boys" because doing a ton is English slang for driving at a speed of 100 mph (160 km/h) or over.

[gsnedders]

100mph