Looking for aftermarket parts to modify or upgrade your 1977 Chevrolet K20 with air filters - direct fit? At Tunersports.com we carry a huge selection of the top name brand performance air filters - direct fit parts and accessories for your K20.
Whether you have a 1977 Chevrolet K20 in Cheyenne to Silverado trim we have you covered. We have 8 air filters - direct fit available to mod your K20. All parts have free shipping to the Continental US 48 States.
 IN STOCK - DROPSHIPS 10-10002Constructed with 100-percent polyurethane on top and bottom, this high flow, oiled OE replacement performance filter will outflow stock paper filter for improved horsepower and torque. Five layers of progressively finer mesh cotton gauze media provide maximum airflow for best performance results. Wa... aFe MagnumFLOW Air Filters OER P5R A/F P5R GM Trucks 72-95 V8 1975-1980 Chevrolet K20 Custom Deluxe 1975-1981 Chevrolet K20 Cheyenne 1975-1983 Chevrolet K20 Silverado 1975-1986 Chevrolet K20 Scottsdale $90.16 SALE |
 OUT OF STOCK 10-10011Constructed with 100-percent polyurethane on top and bottom, this high flow, oiled OE replacement performance filter will outflow stock paper filter for improved horsepower and torque. Five layers of progressively finer mesh cotton gauze media provide maximum airflow for best performance results. Wa... aFe MagnumFLOW Air Filters OER P5R A/F P5R GM Cars & Trucks 62-96 1977-1978 Chevrolet K20 Cheyenne / Custom Deluxe / Scottsdale / Silverado $70.36 SALE |
 OUT OF STOCK 10-10016Constructed with 100-percent polyurethane on top and bottom, this high flow, oiled OE replacement performance filter will outflow stock paper filter for improved horsepower and torque. Five layers of progressively finer mesh cotton gauze media provide maximum airflow for best performance results. Wa... aFe MagnumFLOW Air Filters OER P5R A/F P5R GM Cars & Trucks 68-92 1975-1978 Chevrolet K20 Cheyenne / Custom Deluxe / Scottsdale / Silverado $83.03 SALE |
 IN STOCK - DROPSHIPS 10-10035Constructed with 100-percent polyurethane on top and bottom, this high flow, oiled OE replacement performance filter will outflow stock paper filter for improved horsepower and torque. Five layers of progressively finer mesh cotton gauze media provide maximum airflow for best performance results. Wa... aFe MagnumFLOW Air Filters OER P5R A/F P5R GM Trucks 70-89 L6 V8 1975-1980 Chevrolet K20 Custom Deluxe 1975-1981 Chevrolet K20 Cheyenne 1975-1983 Chevrolet K20 Silverado 1975-1986 Chevrolet K20 Scottsdale $83.03 SALE |
 IN STOCK - DROPSHIPS 11-10002Constructed with 100-percent polyurethane on top and bottom, this high flow oil-free OE replacement performance filter will outflow stock paper filter for improved horsepower and torque. Two layers of progressively finer mesh synthetic media provide maximum convenience and easy maintenance. Washable... aFe MagnumFLOW Air Filters OER PDS A/F PDS GM Trucks 72-95 V8 1975-1980 Chevrolet K20 Custom Deluxe 1975-1981 Chevrolet K20 Cheyenne 1975-1983 Chevrolet K20 Silverado 1975-1986 Chevrolet K20 Scottsdale $90.16 SALE |
 IN STOCK - DROPSHIPS 11-10011Constructed with 100-percent polyurethane on top and bottom, this high flow oil-free OE replacement performance filter will outflow stock paper filter for improved horsepower and torque. Two layers of progressively finer mesh synthetic media provide maximum convenience and easy main tenance. Washabl... aFe MagnumFLOW Air Filters OER PDS A/F PDS GM Cars & Trucks 62-96 1977-1978 Chevrolet K20 Cheyenne / Custom Deluxe / Scottsdale / Silverado $70.36 SALE |
 IN STOCK - DROPSHIPS 11-10016Constructed with 100-percent polyurethane on top and bottom, this high flow oil-free OE replacement performance filter will outflow stock paper filter for improved horsepower and torque. Two layers of progressively finer mesh synthetic media provide maximum convenience and easy maintenance. Washable... aFe MagnumFLOW Air Filters OER PDS A/F PDS GM Cars & Trucks 68-92 1975-1978 Chevrolet K20 Cheyenne / Custom Deluxe / Scottsdale / Silverado $83.03 SALE |
 IN STOCK - DROPSHIPS 11-10035Constructed with 100-percent polyurethane on top and bottom, this high flow oil-free OE replacement performance filter will outflow stock paper filter for improved horsepower and torque. Two layers of progressively finer mesh synthetic media provide maximum convenience and easy maintenance. Washable... aFe MagnumFLOW Air Filters OER PDS A/F PDS GM Trucks 71-89 L6 V8 1975-1980 Chevrolet K20 Custom Deluxe 1975-1981 Chevrolet K20 Cheyenne 1975-1983 Chevrolet K20 Silverado 1975-1986 Chevrolet K20 Scottsdale $83.03 SALE |