Aston Martin DB7 PCD

1994–2004

VERIFIED

Centre bore74.1 mm

Offset (ET)ET29

Fixing typeM1/2 - 20 UNF

Tightening torque90 Nm

Original tyres245/40R18

Hub centric rings 74.1 mm → Wheel spacers 5x120.65(partner link) Change PCD (PCD adapter)(partner link) Sheet for your mechanic

Fitting wheels on a Aston Martin DB7

A Aston Martin DB7 (1994–2004) uses a 5x120.65 PCD and a centre bore of 74.1 mm. Any wheel must match the vehicle's PCD exactly: there is no tolerance, unless you use a PCD adapter.

PCD: 5x120.65 required. See all vehicles with 5x120.65.
Centre bore: the wheel must have a centre bore of 74.1 mm or more. If it is larger (as with most aftermarket wheels), add a hub centric ring wheel centre bore → 74.1 mm.
Offset: the original is ET29. 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 M1/2 - 20 UNF, tightened to 90 Nm. The nuts or bolts must have the same seat (conical, spherical or flat) as the wheel.
Tyres: original fitment is 245/40R18. For another size, check the diameter difference with the equivalence calculator (under 3 % recommended).

Will wheels from another vehicle fit your DB7?

Choose the vehicle the wheels come from: we compare the hub, then each original wheel to the millimetre.

Make

Model

Same PCD, different centre bore

These vehicles also use 5x120.65 but with a different centre bore: their wheels need a hub centric ring if their centre bore is larger than 74.1 mm, and will not fit if it is smaller.

Aston Martin Virage ⌀73.9 Aston Martin Lagonda ⌀73.9 Chevrolet Corvette C7 ⌀70.3 Cadillac CTS-V ⌀67.1 Chevrolet Corvette C6 ⌀70.3 Cadillac XLR ⌀70.3 Cadillac CTS ⌀67.1 Chevrolet Jimny ⌀70.3

Frequently asked questions

What is the PCD of a Aston Martin DB7?

A Aston Martin DB7 (1994–2004) has a PCD of 5x120.65: 5 studs or bolts spaced around a circle 120.65 mm in diameter.

Does a Aston Martin DB7 need a hub centric ring?

The centre bore (hub diameter) of a Aston Martin DB7 is 74.1 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 Aston Martin DB7?

The recorded original offset is ET29. 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 Aston Martin DB7?

The specified tightening torque is 90 Nm for M1/2 - 20 UNF fixings. Tighten in a criss-cross pattern with a torque wrench and check the tightness again after about fifty kilometres.

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