This was my truck with 245/45-17s front and 305/45-17s in the rear.
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I eventually switched to 255/50-17s on the front while keeping the 305/45s in the rear.
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Nobody makes the 305/45-17s anymore. BFG was the only name in the game when I had them. You can get 275/50s and it'll give you about the same sidewall.