C 2500 Suburban 2WD V8-454 7.4L VIN J SFI (1998)
Wheel Fastener: Description and Operation
Metric wheel nuts and bolts are identified in the following way:
^
The wheel nut has the word Metric stamped on the face.
^
The letter M is stamped on the end of the wheel bolt.
The thread sizes of metric wheel nuts and bolts are indicated by the following example: M14 x 1.5.
^
M = Metric
^
14 = Diameter in millimeters
^
1.5 = Millimeters per thread (gap between)