Carburetor applications are as follows: • 1970-74 170, 200 Six—Carter YF 1 bbl • 1970-74 250 Six—Carter RBS 1 bbl • 1975-76 200, 250 Six—Carter YFA 1 bbl • 1971-74 302 V8—Autolite (Motorcraft) 2100D 2 bbl • 1975-77 302 V8—Motorcraft 2150 2 bbl • 1977 302 V8 (California)—Motorcraft 2700 W (Variable Venturi)