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Size	Temperature Rating	Traction Rating	Treadwear Rating
All sizes	C B A	C B A AA	440 0 900

Size	Temperature Rating	Traction Rating	Treadwear Rating
All sizes	C B A	C B A AA	420 0 900

Size	Temperature Rating	Traction Rating	Treadwear Rating
All sizes	C B A	C B A AA	240 0 900

Sources: NHTSA Uniform Tire Quality Grading Standards, TireReview.com