R1 Concepts front and rear top

Engine cylinder head with four visible valve openings Close-up of engine cylinder head ports with a bolt visible Engine intake manifold with three ports visible. Red rags and containers in background Polished intake manifold ports with red accents visible inside Engine cylinder head intake ports with polished surfaces Two 4-valve V6 cylinder heads deck-side up on a workbench with tools two engine cylinder heads on a workbench with a drill and hammer nearby Pair of aluminum 4-valve V6 cylinder heads face-up on a workbench 1991 Mitsubishi 3000GT photo 1991 Mitsubishi 3000GT photo 1991 Mitsubishi 3000GT photo 1991 Mitsubishi 3000GT photo 1991 Mitsubishi 3000GT photo 1991 Mitsubishi 3000GT photo 1991 Mitsubishi 3000GT photo 1991 Mitsubishi 3000GT photo 258photos in this albumView all