Radical SR3 chassis number 620 was converted to RSX spec bodywork by Nielsen Racing in 2016/2017. The car is right hand drive with a 1500cc engine and is black with green graphics. Options include Intrax triple adjustable dampers, front and rear 280mm floating rotor brake upgrade, Fuel pump out kit, Le Mans carbon mirrors, Air jacks and a new aluminum tank and pump. The car was campaigned by Darcy Smith and is located in Bristol, UK.