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Set of 4: Each product is sold as a complete set of four pieces, one piece for each wheel.
The Buick tri-shield is understated by design. On aftermarket wheels with an oversized center bore, it tends to either disappear or get swapped for whatever generic cap came with the rim. The Buick Blue floating center cap puts the logo back where it belongs — visible, upright, and in the right color.
The floating mechanism keeps the tri-shield level as the wheel rotates. The cap counter-rotates against the wheel so the emblem orientation doesn't shift at any speed. Set of 4, designed for Enclave, LaCrosse, and Envision builds on oversized aftermarket wheels.
The Buick Blue finish matches the signature blue from the tri-shield logo itself — the right choice if you're building around that color. Chrome, gloss black, and matte black are also available if you want the logo front and center without the colored background. Most Buick aftermarket setups take a 74mm or 82mm center cap bore — measure your wheel opening before ordering.
Note on Brushed & Polished Aluminum: Machined metal — not painted plastic. $50 upcharge reflected in the price.
| 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 raised inner ring that holds the metal clip, outside edge to outside edge, straight across the middle.
Don't measure the hole inside the ring or the wide outer cap.
Tap your back ring size to select it.
Got your numbers? Pick your logo and finish, then choose your back ring and outer size.
