Looking for a simple yet effective way to improve the braking performance of your vehicle? Topline Products Brake Spacers might just be what you need. Designed to fit 8X6X5.5 (8X139.7) / 8X170 / 8X180 bolt patterns, these spacers have a 1/2" thickness, a 125.7mm center bore, and an 8.1" overall diameter. They come in a set of two, making it easy to upgrade the front or rear brakes of your vehicle. The first thing that stands out about these brake spacers is their sturdy construction. Made from high-quality materials, they are built to last and withstand extreme conditions. They are also easy to install, requiring minimal effort and no special tools. Once installed, the Topline Products Brake Spacers provide a noticeable improvement in stopping power. They reduce the distance it takes to bring your vehicle to a halt, especially at high speeds. This can be particularly useful for trucks, SUVs, and other large vehicles that require more force to stop. A potential downside of these brake spacers is that they may increase the overall weight of your vehicle. This is because they are made from solid materials that add extra mass to the wheels. However, this is a minor drawback compared to the benefits they provide in terms of improved braking performance. Overall, the Topline Products Brake Spacers are a reliable and affordable upgrade for any vehicle with a 8X6X5.5 (8X139.7) / 8X170 / 8X180 bolt pattern. They are easy to install, durable, and effective at reducing stopping distance. While they may add some extra weight to your wheels, this is a small trade-off compared to the benefits they provide. For these reasons, we give them a rating of 4 stars out of 5.