Group Sa Production Sports Cars (1941-1960)

Production Sports Cars, as recognised by CAMS, manufactured after 1 January 1941 but prior to 31 December 1960 with the inclusion of certain model run-ons (eg, Mk 1 Austin Healey Sprite). Cars classified in this group will not necessarily have a racing history. Factory built, competition variants of standard production vehicles are not eligible for this group, but could be eligible for Group Lb subject to specific application.

Limited modifications, as detailed in the following regulations (see the CAMS manual), are allowed to these vehicles. Where performance-improving modifications are made, these should be of period nature and not out of character with the vehicle or group period.

Group Sb Production Sports Cars (1961-1969)

A specific group of Production Sports Cars generally manufactured between 1 January 1961 and 31 December 1969, with the inclusion of model run-ons (eg, Triumph Spitfire Mk3), as detailed in the following list. Vehicles classified in this group will not necessarily have a racing history. Factory built, competition variants of standard production vehicles are not eligible for this group, but could be eligible for Groups M or O, subject to specific application.

Limited modifications as detailed in the following regulations are allowed to these vehicles. Where performance improving modifications are made, these should be of a nature and not out of character with the vehicle or group period.

Group Sc Production Sports Cars (1970-1977)

A specific group of non-turbocharged production sports cars manufactured between 1 January, 1970, and 31 December, 1977, with the inclusion of model run-ons (eg, Datsun 260Z) Vehicles classified in this Group will not necessarily have a racing history. Factory built, competitive variants of standard production vehicles are not eligible for this group, but could be eligible for Historic Group Q, subject to specific application.