Did you know?5.3L 'Vortec' 5300 V8 with Active Fuel Management, 320 hp (239 kW).
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Ran 'em on our old Silverado. They were okay but we went back to the Bridgestone duelers and now have the Goodyear Wranglers on the factory rims. The life of the Big O's wasn't what the others have. They did give a really quiet ride on the highway though.