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Pirelli
Pirelli PIR Cinturato P7 (P7C2) 255/45R19
Pirelli PIR Cinturato P7 (P7C2) 255/45R19
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The Pirelli Cinturato P7 (P7C2) in 255/45R19 ships free from ThreePiece.us, with Affirm financing available at checkout and fast delivery from a nationwide warehouse network.
What 255/45R19 means
In the size 255/45R19, 255 is the section width in millimeters (10.04 in), 45 is the aspect ratio — the sidewall stands 45% as tall as the tire is wide, or 114.8 mm (4.52 in) — R denotes radial construction, and 19 is the wheel diameter in inches. That works out to an overall diameter of about 28.04 inches, turning roughly 719 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 19 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 104 — a maximum load of 1,984 lbs per tire. The speed symbol Y corresponds to a maximum sustained speed of 186 mph.
Specifications
| Size | 255/45R19 |
| Tire Type | High-Performance |
| Service Description | 104Y |
| Load Index | 104 |
| Speed Rating | Y |
| Load Range | XL |
| Section Width (mm) | 255 |
| Aspect Ratio | 45 |
| Overall Diameter (in) | 19 |
| Tread Depth (/32") | 8 |
| Treadwear | 320 |
| Traction Grade | AA |
| Temperature Grade | A |
| UTQG | 320AAA |
Frequently asked questions
What does 104Y mean on the Pirelli Cinturato P7 (P7C2)?
104Y breaks down as load index 104 — rated for 1,984 lbs per tire — with a Y speed rating, good for a maximum sustained 186 mph.
What kind of tire is the Pirelli Cinturato P7 (P7C2)?
The Pirelli Cinturato P7 (P7C2) in 255/45R19 is a high-performance tire.
What are the treadwear and warranty ratings on the Pirelli Cinturato P7 (P7C2)?
This tire carries a treadwear grade of 320, traction grade AA, temperature grade A under UTQG.
Keep shopping
Shop all 255/45R19 tires, see every Pirelli Cinturato P7 (P7C2) size, or view all tires at ThreePiece.us.
- Brand:
- Pirelli
- Model:
- PIR Cinturato P7 (P7C2)
- Size:
- 255/45R19
- Aspect Ratio:
- 45
- Load Index:
- 104
- Load Range:
- XL
- Section Width:
- 255
- Service Description:
- 104Y
- Speed Index:
- Y
- Temperature:
- A
- Tire Rim Diameter:
- 19
- Tire Type:
- High-Performance
- Traction:
- AA
- Tread Wear:
- 320
- Tread Depth:
- 8
- UQTG:
- 320AAA
- Warranty:
- N/A
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