Specs verified against manufacturer data
Bolt pattern
5x130
Center bore
84.1 mm
Factory wheel sizes
16"
Thread
M14x1.5
Torque
145 lb-ft
The Ram ProMaster uses a 5x130 bolt pattern with a 84.1mm center bore. Factory wheel sizes range from 16". When shopping for wheels, ensure the rim's center bore is at least 84.1mm (a hub-centric ring can adapt a larger bore down). Factory torque spec is 145 lb-ft. Use M14x1.5 lug hardware. Always confirm torque and hardware against your owner's manual before installing.