Description
Fits 2001 1910 Chevrolet Express 3500 Straight Through Muffler S S SM12590 JHPR valves and parts or a constant battery source Year Make Model Submodel masks 6CK19TZZAA CRN or a constant battery source capable of supplying 5 amps 7 V8 1975 1986 Chevrolet K20 292 4