The New Alloy USA Wheel Spacers move your wheels out to help fit wider tires-creates extra stability. The Hub-centric design assures wheel balance and the are constructed of durable 6061T6 aluminum for long life, extra strength and corrosion resistance. Available in 1.5" width for today's most popular wheel sizes. Each pair includes pre-installed grade 8 wheel studs and 10 lug nuts. Sold in pairs.