Upgrade your vehicle's performance with the OPEN TRAIL AC-06656-1BK Wheel Spacer. Designed for a 4/137 stud pattern and featuring a 12mm x 1.25mm thread, this wheel spacer is crafted from durable 6061-T-6 aluminum alloy, ensuring longevity and reliability. The anodized black finish not only enhances its aesthetic appeal but also offers protection against oxidation and corrosion, making it a perfect addition to any off-road or on-road vehicle. The OPEN TRAIL wheel spacer delivers improved traction and stability, essential for enhancing your driving experience. It provides greater clearance for wider tires, allowing for better handling and performance. Additionally, it increases stability when using a lift kit, making it an ideal choice for those looking to enhance their vehicle's capabilities. Each package includes two wheel spacers along with high-strength class 10.9 wheel studs and lug nuts, ensuring a complete and hassle-free installation. Features: * Constructed of durable 6061-T-6 aluminum alloy * Anodized black to reduce oxidation and corrosion * High-strength, class 10.9 wheel studs * Delivers improved traction and stability * Provides greater clearance for wider tires * Increases stability when using a lift kit * Includes 2 wheel spacers, studs, and lug nuts * Available in 1", 1.5", and 2" widths