17C F450 M300 4.88 RATIO GEAR PACKAGE

All Revolution Gear sets are made from the highest quality steel and are precision heat treated to OEM specifications. Master Install Kits offer a comprehensive bill of material with all the components needed to overhaul your differential ring and pinion gear set including top quality Timken or Koyo Bearings (Part numbers ending with a -K contain Koyo Bearings). Gear Package Benefits: Verified Fitment, Enhanced Capability and Performance (optimized gear ratio improves torque, towing performance), Increased Fuel Efficiency at Highway Speeds (optimizing engine's RPM), Superior Strength and Durability (high grade steel, precision gear cutting and heat treatment processes), Easy Installation and Quiet Operation. All Revolution Gear and Axle Ring and Pinion gear sets are backed by a 2 Year Warranty against manufacturing defects.