This 1983 Porsche-Kremer CK5 Group C prototype, chassis CK5-02, is offered at Broad Arrow Private Sales for $825,000. One of only two CK5s built by Kremer for the 1982–1983 World Sportscar Championship, it competed at the 1983 Le Mans 24 Hours with Derek Warwick, Frank Jelinski, and Patrick Gaillard at...



