Valve Spring Kit; MROSCS Leaf Class Name Valve Spring Kit; Used On Item Valve; Used On Model/Brand V-3212/V-3970/V-4322/V-3774/V-4324 (Valve), V-3000-1/V-3000-2 (Actuator); Size 1/2 Inch; Pressure Rating 4 to 8 PSIG; Kit Includes Spring, Upper and Lower Spring Seat, Stem Extension, Stem Lock Screw and Instruction