These are made exclusively by Albins for Jacks Transmissions! Designed to fit and work with OEM or aftermarket replacement gears. 3rd and 4th can be removed and replaced without replacing the entire shaft. The shaft is solid unlike the OEM to increase strength.
They are manufactured to ISO 9001 / 2008 quality standards, made of billet high-alloy proprietary grade steel, and utilize CAD engineered custom tooth profiles. These are profile ground to reduce noise and improve strength.
Note: sleeve must be transferred from original shaft.