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– Permanent: Permanent Application Guide
– Permanent – Application Video
Generic Tire Sizing guidelines – Use the generic tire sizing chart below to guide your decision. Identify the aspect ratio or series (generally the middle number of the tire specification) and match to the chart. Note: some tires may have a unique aspect ratio outside of these guidelines, when in doubt email us!
Tire Series Specification MAX Recommended Letter Height
20 0.5″ / 1.27cm / 12.7mm
25 0.75″ / 1.905 / 19.05mm
30 1.0″ / 2.54cm / 25mm
35 1.25″ / 3.175cm / 31.75mm
40 1.25″ / 3.175cm / 31.75mm
45 1.5″ / 3.81cm / 38.1mm
50 1.75″ / 4.44cm / 44.45mm
55 2.0″ / 5.08cm / 50.8mm
Tire Size: 245/45/R17 Recommended Height: 1.5″