Description Edelbrock triple chrome-plated round air cleaner #1221 works with all popular 5-1/8′′ diameter carburetors (Performer Series, Thunder Series AVS, Holley, Thermo-Quad, Quadra jet and Carter AFB). The 10′′ and 14′′ models have knock-outs in the air cleaner base for use with Edelbrock crank case ventilation adapter #1205 (sold separately). #1208, #1209 and #1221 fit all Edelbrock carburetors. Heights of air cleaners are in parentheses, measured from the gasket flange to the top of the supplied retaining nut. Dimensions are accurate within 1/8′′. Warranty Installation Instructions This Part Fits: Year Make Model Submodel 1980 Buick Century Base 1980 Buick Century Estate 1980 Buick Century Limited 1980 Buick Regal Base 1980 Buick Regal Limited 1987-1990 Cadillac Brougham Base 1987-1990 Cadillac Brougham d’Elegance 1980-1984 Cadillac Commercial Chassis Base 1980 Cadillac DeVille Base 1980 Cadillac DeVille Cabriolet 1980 Cadillac DeVille d’Elegance 1980,1982 Cadillac Fleetwood Base 1980,1986 Cadillac Fleetwood Brougham 1980,1986 Cadillac Fleetwood Brougham d’Elegance 1980 Cadillac Fleetwood Formal 1980 Chevrolet C10 Big Ten 1980-1981 Chevrolet C10 Cheyenne 1981-1986 Chevrolet C10 Custom 1980 Chevrolet C10 Custom Deluxe 1981 Chevrolet C10 Deluxe 1980,1982-1986 Chevrolet C10 Scottsdale 1980-1986 Chevrolet C10 Silverado 1981-1986 Chevrolet C10 Suburban Custom 1980 Chevrolet C10 Suburban Custom Deluxe 1981 Chevrolet C10 Suburban Deluxe 1980,1982,1984-1986 Chevrolet C10 Suburban Scottsdale 1980,1982-1986 Chevrolet C10 Suburban Silverado 1980-1981 Chevrolet C20 Cheyenne 1981-1986 Chevrolet C20 Custom 1980 Chevrolet C20 Custom Deluxe 1981 Chevrolet C20 Deluxe 1980-1986 Chevrolet C20 Scottsdale 1980-1986 Chevrolet C20 Silverado 1981-1986 Chevrolet C20 Suburban Custom 1980 Chevrolet C20 Suburban Custom Deluxe 1981 Chevrolet C20 Suburban Deluxe 1980,1982,1984-1986 Chevrolet C20 Suburban Scottsdale 1980,1982-1986 Chevrolet C20 Suburban Silverado 1980-1981 Chevrolet C30 Cheyenne 1981-1986 Chevrolet C30 Custom 1980 Chevrolet C30 Custom Deluxe 1981 Chevrolet C30 Deluxe 1980-1986 Chevrolet C30 Scottsdale 1980-1986 Chevrolet C30 Silverado 1980 Chevrolet Camaro Base 1980-1986 Chevrolet Camaro Berlinetta 1985-1987 Chevrolet Camaro Iroc-Z 1987 Chevrolet Camaro LT 1980 Chevrolet Camaro Rally Sport 1981-1987 Chevrolet Camaro Sport 1980-1987 Chevrolet Camaro Z28 1982 Chevrolet Camaro Z28 Indianapolis 500 Pace Car 1986-1988 Chevrolet Caprice Base 1980-1990 Chevrolet Caprice Classic 1986-1988 Chevrolet Caprice Classic Brougham 1981-1982 Chevrolet Caprice Classic Estate 1980-1981 Chevrolet Caprice Classic Landau 1987-1988 Chevrolet Caprice Classic LS Brougham 1980 Chevrolet Caprice Classic Sport 1980-1981 Chevrolet Corvette Base 1980-1987 Chevrolet El Camino Base 1981-1986 Chevrolet El Camino Conquista 1980-1981 Chevrolet El Camino Royal Knight 1980-1987 Chevrolet El Camino SS 1983 Chevrolet G10 Base 1980-1986 Chevrolet G10 Beauville 1981-1984,1986 Chevrolet G10 Bonaventure 1980-1986 Chevrolet G10 Chevy Van 1980-1986 Chevrolet G10 Sportvan 1980-1986 Chevrolet G20 Beauville 1983-1984 Chevrolet G20 Bonaventure 1980-1986 Chevrolet G20 Chevy Van 1980-1981 Chevrolet G20 Nomad 1980-1986 Chevrolet G20 Sportvan 1980-1988 Chevrolet G30 Beauville 1983-1984 Chevrolet G30 Bonaventure 1980-1988 Chevrolet G30 Chevy Van 1980-1988 Chevrolet G30 Hi-Cube 1980-1986 Chevrolet G30 Sportvan 1980-1985 Chevrolet Impala Base 1981-1982 Chevrolet Impala Estate 1980 Chevrolet Impala Sport 1980-1981 Chevrolet K10 Cheyenne 1981-1986 Chevrolet K10 Custom 1980 Chevrolet K10 Custom Deluxe 1981 Chevrolet K10 Deluxe 1980-1986 Chevrolet K10 Scottsdale 1980-1986 Chevrolet K10 Silverado 1981-1986 Chevrolet K10 Suburban Custom 1980 Chevrolet K10 Suburban Custom Deluxe 1981 Chevrolet K10 Suburban Deluxe 1980,1982,1984-1986 Chevrolet K10 Suburban Scottsdale 1980,1982-1983,1985-1986 Chevrolet K10 Suburban Silverado 1980-1981 Chevrolet K20 Cheyenne 1981-1986 Chevrolet K20 Custom 1980 Chevrolet K20 Custom Deluxe 1981 Chevrolet K20 Deluxe 1980-1986 Chevrolet K20 Scottsdale 1980-1983,1985-1986 Chevrolet K20 Silverado 1981-1986 Chevrolet K20 Suburban Custom 1980 Chevrolet K20 Suburban Custom Deluxe 1981 Chevrolet K20 Suburban Deluxe 1980,1982,1984-1986 Chevrolet K20 Suburban Scottsdale 1980,1982-1983,1985-1986 Chevrolet K20 Suburban Silverado 1980-1981 Chevrolet K30 Cheyenne 1981-1986 Chevrolet K30 Custom 1980 Chevrolet K30 Custom Deluxe 1981 Chevrolet K30 Deluxe 1980-1986 Chevrolet K30 Scottsdale 1980-1986 Chevrolet K30 Silverado 1980 Chevrolet K5 Blazer Cheyenne 1981-1986 Chevrolet K5 Blazer Custom 1980 Chevrolet K5 Blazer Custom Deluxe 1981 Chevrolet K5 Blazer Deluxe 1984 Chevrolet K5 Blazer Scottsdale 1980-1986 Chevrolet K5 Blazer Silverado 1980-1981 Chevrolet Malibu Base.