70/77  Valve Spring Lock

With 5.9L (V8-360) Engine (Exhaust)
With 6.6L (V8-401) Engine (Exhaust)
With 3.8L (6-232) Engine
With Valve Rotators
With 4.2L (6-258) Engine
With Valve Rotators (Exhaust)

1981  Valve Spring Lock

2 Required per Valve

65/91  Valve Spring Lock  (Valves & Related)

1970/1974 - Intake Valve
1975/1991 - Intake or Exhaust Valve

63/64  Exhaust Valve

With 6-230 Engine
Standard Exhaust Valve

81/90  Exhaust Valve

Standard except "VAM" engine

65/91  Valve Lifter

Without VAM Engine

73/80  Exhaust Valve  (Valves & Related)

With 3.8L (6-232) Engine
With 4.2L (6-258) Engine
Without Valve Rotators
Standard Exhaust Valve

75/91  Exhaust Valve

Standard Size

65/80  Intake Valve

With 3.8L (6-232) Engine
With V8-327 Engine
With 4.2L (6-258) Engine
Standard Intake Valve