Looks like I got sorted for these 3 point harnesses too.
Hope to have a pair, in black bought and paid for in the next week, as soon as the seller has them boxed up.
Currently fitted to an Anglia.
Black is a good option for me.
Back to the garage for making the second seat mounting points and plinths today.
Time consuming job, but needs doing. Chilly outside at 0’C this morning.