A7 Components offer different arms for standard and sports or special cars, so choose the right one for your application. If you bought a 'kit of parts' you get what the seller chose, and you don't know without looking carefully whether it is an old one possibly modified or a good new type item, probably the latter in your case.

Location: just north of Cambridge

The obvious difference between the original arm and the A7Components arms is the radius of the bend where the arm turns through 90 degrees. The original arm radius is much tighter.
See: http://www.a7c.co.uk/steering-arms.php

Big seven arms sometimes get fitted as well, though not the best idea unless you alter the drag link too.

Location: NZ

The one fitted now is definitely a new one. Looks like it is designed for a sports axle too

Location: Ireland