Description
2003 2005 Excursion Claw Rotors, Front 54121 020 egr valves and parts 7 V8 1977 1979 Year Make Model Submodel masks 6CK19TZZAA CRN 7 V8 1977 1979 Chevrolet K10 Suburban 305 5 V8 1975 1979 Chevrolet K20 400 6 This header features mandrel bent 1 7 8" primaries and 3" collectors to provide excellent exhaust flow and scavenging to ensure improved throttle response and increased power across the entire RPM range