Tire Brand: Fierce

Tire Model: Instinct ZR

Check Fierce Instinct ZR tire size chart to find maximum tire inflation as set by manufacturer for your Fierce Instinct ZR tire size. Remember that tire pressure value printed on Fierce Instinct ZR tire sidewall is a maximum tire pressure that Fierce Instinct ZR tire can support when carrying its maximum weight capacity, and it is not a recommended tire pressure setting for your vehicle.

Keep in mind that Fierce Instinct ZR tires can naturally lose 1 to 2 psi of tire pressure monthly, so check Fierce Instinct ZR tire pressure regularly to keep tires inflated at recommended level.

Tire pressure is also affected by changes in temperature. As a rule, tire pressure for Fierce Instinct ZR tires will change by about 1 psi for every 10 degrees Fahrenheit change in atmospheric temperature. Maintain proper Fierce Instinct ZR winter tire pressure by compensating air pressure to your vehicle's recommended tire pressure level when temperatures drop.

Fierce Instinct ZR Tire Inflation Chart

Fierce Instinct ZR tire pressure chart with maximum tire inflation for each tire size.

Tire Size Load Index Speed Rating Max Tire Pressure
215/45R17 91 W 50 psi
215/45R18 93 W 50 psi
225/40R18 92 W 50 psi
225/45R17 94 W 50 psi
225/45R18 95 W 50 psi
225/50R17 94 W 51 psi
235/35R19 91 W 50 psi
235/40R18 95 W 50 psi
235/45R17 94 W 51 psi
235/50R18 97 W 51 psi
235/55R17 99 W 51 psi
245/35R19 93 W 50 psi
245/35R20 95 W 50 psi
245/40R17 91 W 51 psi
245/40R18 93 W 51 psi
245/40R19 98 W 50 psi
245/45R17 95 W 51 psi
245/45R18 96 W 51 psi
255/40R17 94 W 51 psi
255/40R18 99 W 50 psi
265/35R22 102 W 50 psi

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