1982 RALT RT4 FORMULA ATLANTIC/PACIFIC One of Ron Tauranac's most successful models, the RT4 won the Australian Grand Prix four years in a row in the 1980s. This car, chassis number 4 - 318, had a great record in the US, winning at Road America, Sears Point and multiple times at Laguna Seca. It comes with a full history dossier compiled by Dr Chris Townsend, showing all owners from new. In Australia this RT4 won the HRCC Group R championship in 2017 and 2019 and has had multiple wins since