Item Detail Table of Content Rim Stud Extensions Item Number: HUN20-823-1 Supplied by HUNTER ENGINEERING COMPANY (see all) * log in for dealer pricing. Description Rim Stud Extension Kit for 2 self-centering adaptors. Includes (8) rim stud extensions (134-81-1) Warranty Call Hunter Customer Service at 1-800-448-6848 for specific warranty information.