D 350 Pickup L6-359 5.9L DSL (1989)
Measure the rocker lever bore.
Diameter (Maximum): 19.05mm [0.75 inch]
Inspect the pedestal and shaft.
Measure the shaft diameter.
Minimum Diameter: 18.94mm [0.746 Inch]
ROCKER LEVERS - ASSEMBLY
Install the adjusting screw and lock nut.