This shim kit will adjust the thrust angle on Hendrickson's walking beam? rear tandem axle suspension. Improve tire wear and handling by adjusting thrust angle from 0" to 3/8" in precise 1/32" increments. California Residents WARNING

• Tandem Alignment shims for all your HD needs
• Included in SPC #36000 Shim assortment
• Hendrickson Rear Tandem Walking Beam