The Omix manual transmission mainshaft lock nut is a nylon-insert style locking nut that fits 1967–1968 CJ3B and 1967–1975 CJ5/CJ6 models equipped with T90 three-speed manual transmissions. It replaces OE 940970-N and is supplied as an OE-style direct-fit component with a limited five-year warranty to maintain proper mainshaft retention.
Omix Lock Nut Main Shaft T90 67-75 Jeep CJ Models