INSANE SHAFTS-AWD REAR AXLE SETS are manufactured from the highest-grade chromoly steel, which undergoes a proprietary annealing and heat treatment process to create axles that can withstand up to 500-wheel horsepower. ABS rings are removable (where applicable), and all new spindle nuts are included for dependable functionality and power. Created specifically for AWD Rear Axle Sets, including EG, DC, EK, and EF WagoVan models, these axle sets ensure a perfect fit and superior durability and performance on any terrain.