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Set of 4: Each product is sold as a complete set of four pieces, one piece for each wheel.
White finish on the Buick floating center cap. For white-painted Enclave or LaCrosse builds, or high-contrast setups where a white cap complements dark graphite or charcoal wheels. Floating mechanism, Buick tri-shield stays upright at any speed. Set of 4.
XL caps are sized from your current cap, not the wheel's center bore. Measure two things on one of your current caps: the outer size and the back clip ring (58mm or 68mm). See how to measure XL caps.
| Italian | Spanish | German | UK | US | Japanese | Chinese | Russian | Korean |
|---|---|---|---|---|---|---|---|---|
| 34 | 30 | 28 | 4 | 00 | 3 | 155/75A | 36 | 44 |
| 36 | 32 | 30 | 6 | 0 | 5 | 155/80A | 38 | 44 |
| 38 | 34 | 32 | 8 | 2 | 7 | 160/84A | 40 | 55 |
| 40 | 36 | 34 | 10 | 4 | 9 | 165/88A | 42 | 55 |
| 42 | 38 | 36 | 12 | 6 | 11 | 170/92A | 44 | 66 |
| 44 | 40 | 38 | 14 | 8 | 13 | 175/96A | 46 | 66 |
| 46 | 42 | 40 | 16 | 10 | 15 | 170/98A | 48 | 77 |
| 48 | 44 | 42 | 18 | 12 | 17 | 170/100B | 50 | 77 |
| 50 | 46 | 44 | 20 | 14 | 19 | 175/100B | 52 | 88 |
| 52 | 48 | 46 | 22 | 16 | 21 | 180/104B | 54 | 88 |
You need one of your current caps, a ruler or tape measure, a sheet of paper and a pencil.
Tap your size to select it.
Pick the size closest to your number. A few millimeters either way is normal. 177.8mm (7") isn't available in Brushed or Polished Aluminum.
Start at the last whole number, then count the little lines past it. Each one adds 1/16 in. Example: 5 and 11 little lines is 5 11/16 in, our 145mm size.

Flip the cap over. Measure the black plastic clip ring (the raised ring the metal clip sits on), outside edge to outside edge, straight across the middle.
Don't measure the thin metal clip, the hole inside the ring or the wide outer cap.
Tap your back clip ring size to select it.
Factory Rolls-Royce wheels are different: their back clip ring measures 64mm (about 2 1/2 in). Choose 64mm on our Rolls-Royce XL caps.
Got your numbers? Pick your logo and finish, then choose your back clip ring and outer size.
