Motive Gear M5R1-167 C-Mt-M5R1 (136) Nut: CS, 1 Pack Engineered to meet or exceed OEM specifications at a price that won't break your budget. Our highly qualified quality control technicians are up-to-date on the latest industry innovations to ensure that the quality of our product is unsurpassed. 108 year/ 50, 000 mile warranty