The Low-Drag Wheel Bearing Kit – 5×5, 2-1/2 In Pin (Economy) by DRP Performance. It is engineered to improve wheel efficiency by virtually eliminating bearing drag. Ideal for 5×5 hubs with a 2-1/2-inch pin. This kit includes economy import bearings that match DRP’s premium series in size but at a budget-friendly price. Designed to reduce friction and lower operating temperatures, this kit allows for smoother performance and more horsepower transferred to the track.