1975 IMSA GT 6 Hours of Riverside
Riverside, California
The BMW CSL #25 of Hans Stuck/Dieter Quester leading the BMW CSL #24 of Brian Redman/Sam Posey.
Behind them is the Porsche RSR #59 of Peter Gregg/Hurley Haywood, and the Ford Capri RS #3 of Allan Moffat/Harry Theodoracopulos.
Jon B.