The Low-Drag Wheel Bearing Kit – 5×5, 2-1/2 In Pin by DRP Performance is crafted to maximize efficiency and horsepower by reducing wheel bearing drag in 5×5 hubs with a 2-1/2-inch pin. This all-in-one kit includes Premium Finished inner and outer tapered bearings, an Ultra Low Drag hub seal, and an adjustable bearing spacer for precise preload adjustment, reducing friction and lowering operating temperatures for enhanced performance on the track.