Specifics And Features: Our balancers improve tire balance, wheel balance, and complete assembly balance. Continuously Balances the Complete Wheel Assembly While You Drive! No pre-balancing required Lower tire operating temps 8%-10% Smoother Ride Increases tire life 25%-50% Reduces vibration Helps prevent tire cupping Compatible With: For 2005-UP F450 and F550 Package Includes: 2×Wheel Balancers W/O Product Instruction .
