66/75  Crankshaft Key  (Engine Lower)

With 3.8L (6-232) Engine (Crankshaft)
With 4.2L (6-258) Engine (Crankshaft)
Crankshaft) Timing Sprocket Key

55/71  Camshaft Bearing

1 Required

71/86  Chain, Timing

used with 5/8"(.625") wide sprockets

71/86  Sprocket, Camshaft

TYPE: 5/8" WIDE
Position: Front, Rear

79/91  Chain, Timing

used with 1/2"(.500") wide sprockets

71/75  Timing Chain

With 5.0L (V8-304) Engine
Double-roller Timing Chain

79/91  Sprocket, Camshaft

TYPE: 1/2" WIDE