85 minutes on Silverstone GP Circuit for Sevens, Clubmans, Prototypes, Kitcars...

The Sports Prototype Open will share a grid with the Radical SR3 based Sports Prototype Cup at Silverstone GP circuit on April 27th.

It's a great opportunity for owners of Caterhams, Road Going Bike-engined cars, Atoms, S1000, S2000, Clubmans...