A RAM RAM 1500 (2011–2018) uses a 5x139.7 or 6x139.7 PCD and a centre bore of 77.8 mm.
Any wheel must match the vehicle's PCD exactly: there is no tolerance, unless you use a PCD adapter.
Centre bore: the wheel must have a centre bore of 77.8 mm or more. If it is larger (as with most aftermarket wheels), add a hub centric ring wheel centre bore → 77.8 mm.
Offset: the original is ET26. Compare your future wheel with the offset calculator (your vehicle is already selected) to see how many millimetres further in or out it will sit.
Fixings: thread Ecrous - 14x1.50, tightened to 175 Nm. The nuts or bolts must have the same seat (conical, spherical or flat) as the wheel.
Tyres: original fitment is 265/70R17, 275/65R18. For another size, check the diameter difference with the equivalence calculator (under 3 % recommended).
All recorded versions (2)
The original specs vary with the year, trim or wheel size. Identify your version from the tyre size marked on the sidewall.
Version
PCD
Centre bore
Wheel
Offset
Tyre
Version 1
5x139.7
77.8 mm
—
ET26
265/70R17
Version 2
6x139.7
77.8 mm
—
ET26
275/65R18
Vehicles with the same PCD and centre bore
Same 5x139.7 PCD and same 77.8 mm centre bore: wheels from these vehicles bolt on and centre on a RAM RAM 1500 without rings. Offset, width, diameter and caliper clearance still need checking.
These vehicles also use 5x139.7 but with a different centre bore: their wheels need a hub centric ring if their centre bore is larger than 77.8 mm, and will not fit if it is smaller.
A RAM RAM 1500 (2011–2018) can have a 5x139.7 or 6x139.7 PCD depending on the version: check on an original wheel.
Does a RAM RAM 1500 need a hub centric ring?
The centre bore (hub diameter) of a RAM RAM 1500 is 77.8 mm. A wheel with a larger centre bore is fitted with a hub centric ring that brings it down to the hub diameter. A wheel with a smaller centre bore cannot be fitted.
What offset (ET) for a RAM RAM 1500?
The recorded original offset is ET26 depending on the version and wheel size. A lower ET pushes the wheel outwards, a higher ET pulls it inwards: check wheel well and caliper clearance before making any change.
What tightening torque for the wheels of a RAM RAM 1500?
The specified tightening torque is 175 Nm for Ecrous - 14x1.50 fixings. Tighten in a criss-cross pattern with a torque wrench and check the tightness again after about fifty kilometres.
Which vehicles have the same PCD as a RAM RAM 1500?
With the same PCD (5x139.7) and the same centre bore (77.8 mm), these include: Dodge Ramcharger. Offset, width and rim diameter still need checking for each vehicle.
Does a value look wrong, or is a version missing? Let us know, we check every report.
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