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Pirelli
Pirelli PIR PZero 305/30ZR20
Pirelli PIR PZero 305/30ZR20
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Pirelli
UPC:
00054137042624
Lease-to-own for as low as
/week
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Width:
12.50
(in)
Height:
27.30
(in)
Depth:
20.00
(in)
SKU:
1931700
|
$643.41
Lease-to-own for as low as
/week
Get Started
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Looking for a 305/30R20 high performance tire? The Pirelli PZero is available now at ThreePiece.us with free shipping on every order and Affirm financing at checkout.
What 305/30R20 means
In the size 305/30R20, 305 is the section width in millimeters (12.01 in), 30 is the aspect ratio — the sidewall stands 30% as tall as the tire is wide, or 91.5 mm (3.60 in) — R denotes radial construction, and 20 is the wheel diameter in inches. That works out to an overall diameter of about 27.20 inches, turning roughly 741 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 20 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 99 — a maximum load of 1,709 lbs per tire. The speed symbol Y corresponds to a maximum sustained speed of 186 mph.
Specifications
| Size | 305/30ZR20 |
| Tire Type | High Performance |
| Service Description | 99Y |
| Load Index | 99 |
| Speed Rating | Y |
| Load Range | SL |
| Section Width (mm) | 305 |
| Aspect Ratio | 30 |
| Overall Diameter (in) | 20 |
| Tread Depth (/32") | 8 |
| Treadwear | 220 |
| Traction Grade | AA |
| Temperature Grade | A |
| UTQG | 220AAA |
Frequently asked questions
What kind of tire is the Pirelli PZero?
The Pirelli PZero in 305/30R20 is a high performance tire.
What are the treadwear and warranty ratings on the Pirelli PZero?
This tire carries a treadwear grade of 220, traction grade AA, temperature grade A under UTQG.
What does 99Y mean on the Pirelli PZero?
99Y breaks down as load index 99 — rated for 1,709 lbs per tire — with a Y speed rating, good for a maximum sustained 186 mph.
Keep shopping
See every Pirelli PZero size, or view all tires at ThreePiece.us.
- BRAND:
- Pirelli
- Model:
- PIR PZero
- Size:
- 305/30ZR20
- Aspect Ratio:
- 30
- Load Index:
- 99
- Load Range:
- SL
- Section Width:
- 305
- Service Description:
- 99Y
- Speed Index:
- Y
- Temperature:
- A
- Tire Rim Diameter:
- 20
- Tire Type:
- High Performance
- Traction:
- AA
- Tread Wear:
- 220
- Tread Depth:
- 8
- UQTG:
- 220AAA
- Warranty:
- N/A
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