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Pirelli
Pirelli PIR P-Zero (PZ4) 265/30R21XL
Pirelli PIR P-Zero (PZ4) 265/30R21XL
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Looking for a 265/30R21 high-performance tire? The Pirelli P-Zero (PZ4) is available now at ThreePiece.us with free shipping on every order and Affirm financing at checkout.
What 265/30R21 means
In the size 265/30R21, 265 is the section width in millimeters (10.43 in), 30 is the aspect ratio — the sidewall stands 30% as tall as the tire is wide, or 79.5 mm (3.13 in) — R denotes radial construction, and 21 is the wheel diameter in inches. That works out to an overall diameter of about 27.26 inches, turning roughly 740 revolutions per mile. Overall diameter is what matters for speedometer accuracy and clearance when you change sizes, so compare it — not just the width — against your current tire.
The manufacturer lists the overall diameter of this specific tire as 21 inches — when clearance is tight, go by the published figure rather than the nominal size math.
The service description on this tire decodes to a load index of 96 — a maximum load of 1,565 lbs per tire. The speed symbol Y corresponds to a maximum sustained speed of 186 mph.
Specifications
| Size | 265/30R21xL |
| Tire Type | High-Performance |
| Service Description | 96Y |
| Load Index | 96 |
| Speed Rating | Y |
| Load Range | XL |
| Section Width (mm) | 265 |
| Aspect Ratio | 30 |
| Overall Diameter (in) | 21 |
| Tread Depth (/32") | 9 |
| Treadwear | 220 |
| Traction Grade | AA |
| Temperature Grade | A |
| UTQG | 220AAA |
Frequently asked questions
What kind of tire is the Pirelli P-Zero (PZ4)?
The Pirelli P-Zero (PZ4) in 265/30R21 is a high-performance tire.
What are the treadwear and warranty ratings on the Pirelli P-Zero (PZ4)?
This tire carries a treadwear grade of 220, traction grade AA, temperature grade A under UTQG.
What does 96Y mean on the Pirelli P-Zero (PZ4)?
96Y breaks down as load index 96 — rated for 1,565 lbs per tire — with a Y speed rating, good for a maximum sustained 186 mph.
Keep shopping
See every Pirelli P-Zero (PZ4) size, or view all tires at ThreePiece.us.
- BRAND:
- Pirelli
- Model:
- PIR P-Zero (PZ4)
- Size:
- 265/30R21xL
- Aspect Ratio:
- 30
- Load Index:
- 96
- Load Range:
- XL
- Section Width:
- 265
- Service Description:
- 96Y
- Speed Index:
- Y
- Temperature:
- A
- Tire Rim Diameter:
- 21
- Tire Type:
- High-Performance
- Traction:
- AA
- Tread Wear:
- 220
- Tread Depth:
- 9
- UQTG:
- 220AAA
- Warranty:
- N/A
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