Size | Diameter | Width | Rim Range |
Measured Rim |
Tread Depth |
Load Range |
Max Load |
Max psi |
Max Speed |
Weight | Sidewall Letters |
Revs/Mile | ||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
315/40R21 111Y SL BSW 220 AA A |
NA | NA | 10.5-12.5" | 11" | 9/32" | Standard Load | 2403 lbs | 51 psi | 186 mph | 40 lbs | Black | NA | Show Specs |
|
315/40ZR21 115Y XL BSW 280 AA A |
30.9" | 12.6" | 10.5-12.5" | 11" | 9/32" | Extra Load | 2679 lbs | 50 psi | 186 mph | 39 lbs | Black | 673 | Show Specs |
The Pirelli P Zero PZ4 tires are developed for some of the most exclusive and highest performing vehicles available. The tread compound is based on whether the tire is intended for a sports car or a luxury vehicle. Sports car tires focus on dry handling, grip and lateral stability, while the luxury vehicle tire is tuned for comfort and noise. All of the P Zero PZ4 have wide grooves for efficient water evacuation and hydroplaning resistance.
The 315/40R21 Pirelli P Zero PZ4 has a diameter of 30.9", a width of 12.6", mounts on a 21" rim and has 673 revolutions per mile. It weighs 39 lbs, has a max load of 2679 lbs, a maximum air pressure of 50 psi, a tread depth of 9/32" and should be used on a rim width of 10.5-12.5".