Pirelli P-Zero (PZ4) 285/35ZR23 107(Y) - 3873500

Shop the Pirelli P-Zero (PZ4) 285/35R23 at ThreePiece.us — free shipping on every order, Affirm financing available, and fast delivery nationwide.

What 285/35R23 means

In the size 285/35R23, 285 is the section width in millimeters (11.22 in), 35 is the aspect ratio — the sidewall stands 35% as tall as the tire is wide, or 99.8 mm (3.93 in) — R denotes radial construction, and 23 is the wheel diameter in inches. That works out to an overall diameter of about 30.85 inches, turning roughly 654 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 service description on this tire decodes to a load index of 107 — a maximum load of 2,150 lbs per tire. The speed symbol Y corresponds to a maximum sustained speed of 186 mph.

Load Range E corresponds to a 10-ply rating.

Specifications

Frequently asked questions

Will 285/35R23 tires fit my vehicle?

Check the size molded into your current tire's sidewall or the tire placard inside the driver's door jamb — if it reads 285/35R23, this tire matches your vehicle's fitment. If you're changing sizes, compare overall diameter to keep your speedometer and clearances right.

What does 107Y mean on the Pirelli P-Zero (PZ4)?

107Y breaks down as load index 107 — rated for 2,150 lbs per tire — with a Y speed rating, good for a maximum sustained 186 mph.

What kind of tire is the Pirelli P-Zero (PZ4)?

The Pirelli P-Zero (PZ4) in 285/35R23 is a summer tire.

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