Product details:

OD, Each - KRC Power Steering pump pulleys are strong and lightweight. They are CNC-machined from 6061 billet aluminum to SAE specifications, and then hardcoated to C-70 Rockwell hardness. These serpentine pulleys feature 30 percent more surface area for the belt to contact than most other manufacturers, and each is cut out to help reduce rotating weight, yet maintain its structural integrity. Whether you have an aluminum or cast iron pump, KRC Power Steering pump pulleys will keep your belts in place and driving power.