Our kit of wheel spacers will give you 2 of each size so that you have the size you need at the track! Made in the USA of aluminum then anodized black, these spacers are durable and functional. We provide 2 each: 1/2 inch, 1/4 inch, 1/8 inch spacers. Please note that certain wheels and any of our 1/2 in spacers will require longer wheel studs. ARP wheel studs are available and in stock.