Quad Boss Rugged Front Axle Polaris General XP 1000 / 4 The QuadBoss Rugged Series Axles come equipped with six large ball bearings, meticulously crafted internal parts and pre-applied lubrication. The product guarantees a seamless usage experience with sealed axle joints and stainless CV boot clamps already installed. These hefty replacement shafts not only adhere to rigid OEM tolerances and quality checks but also offer up to 30 more power than their stock counterparts. Features: Easy to install, pre-assembled axle half shaft with CV joints 6 precision ball bearings allow for smoother operation and increased joint strength Up to 30 percent larger cages and races - increasing strength and durability 4340 chromoly-steel axle bar Factory-lubricated using high temperature, high load-bearing moly grease Pre-installed low profile stainless steel clamps Heavy-duty neoprene boots create a waterproof seal Includes spindle nut and washers where applicable (vehicle specific) Sold each (per corner) Note : Image for reference only. Actual product varies with application.