Found this Old article (TWR prices parts)

[Paul-Tll]

Looking through an old 1987 Autocar found this:


                         TWR

       Mazda RX-7 (Old Model).Front
       Spoiler,£218; sill set, £265; rear
       Spoiler, £208; rear apron, £234;
       two-branch manifold and exhaust,
       Â£265 (all prices exclude fitting and
       painting). Leather steering wheel
      and alloy road wheels available for all
       Mazdas. Contact:The Motorsport
       Centre Limited ..Blah . blah
       Dorchester-on -Thames

Obviously long since gone but interesting:)

[MikeLMR]

Theres a really interesting thread along these sort on lines on Ausrotary at the moment ... I\'ll see if I can find it and post it up