The Demon Powersports Heavy Duty OE Replacement Axle Assembly Kit is designed to withstand abuse from the harshest driving conditions. When increasing suspension capabilities, it is very important to choose an axle assembly that is up for the challenge. Every Demon Powersports Heavy Duty Axle Assembly Features: Cage Made Up of 4340 Chromoly Material Thermoplastic Polyester Elastomer (TPEE) Boots 15 percent - 20 percent Increase in Diameter Compared to OEM Axles 10 percent - 15 percent Increase in CV Joint Size Compared to Regular Joints Wider Articulation Angles Boots Packed with High Load Molybdenum Grease Precision CNC Machined Direct OEM Replacement Backed by a 12 - Month Manufacturer Limited Warranty