Lurani Trophy is for original Formula Junior cars of Period E (FJ/1) built in 1958-60, and of Period F (FJ/2) built in 1961-63, corresponding to the original Formula Junior Regulations as well as conforming of art. 3 and art. 6.19 of Appendix K : all cars shall have a valid HTP showing both the Date of original Manufacture asserted prior to 1966 and Year Asserted between 1958 and 1964.
To be eligible to participate in the Lurani Trophy as a Formula Junior car, the car must have been constructed in period to the specification of FIA Formula Junior. Continuation cars or modern replicas are not permitted.