Update your semi truck with proper wheel alignment, with the Conmet PreSet / PreSet Plus Seal and Spacer Kit that ensures you're Ready for the Road Ahead. With a ring-based design that helps correctly space out a wheel rim and an axle, this replacement ring is the ideal option to help maintain a balanced load distribution. Crafted with high-quality components to deliver a long service life. FleetPride is your First Click in Heavy Duty.