90-97 P30 Base 40 Gallon, Except School Bus, 35 x 28-3/4 x 13-1/8, Lock Ring Kit Included. 90 P30 Step-Van 40 Gallon, Except School Bus, 35 x 28-3/4 x 13-1/8, Lock Ring Kit Included. 87-89 P30 (submodel: Base, Step-Van) 40 Gallon, Pump In Tank, 35 x 28-3/4 x 13-1/8, Lock Ring Kit Included.
