1982 advert by Suzuka Sangyo. I need to check more but looks like sometime in 1981 the Longchamp range changed brand from AutoStar to...

Another AutoStar Longchamp XR-4 advert The March 782 single seater has a centrelock version of the XR-4, these come up at auction from...

This advert for the Longchamp XR-4 is by the general distributer Auto Star. I've always known Longchamps as being under the Suzuka Sangyo...

Original Suzuka Sangyo Longchamp XR-4 marketing material