Yes. Swing spring Spitfires and GT6 had a larger bar. Therefore a car that has been converted to swing spring should have these.
11/16 (17.5mm) id standard 7/8 (22mm) id swing spring
Eastern shore of Te Whanganui-a-Tara
Vitesse 6 (owned since 1982, driven for 6 months a long time ago) Vitesse Mk11 Conv (owned since 1992, never driven but the first Vitesse I looked at buying back in early 1982) 2000 BMW R1150 GS 2003 FFRR TD6 HSE 2014 VW Amarok Highline 4Motion