Rebuilt gearboxes are the higher end of the range. As with the Refurbished gearboxes, these are built from stripped, cleaned and checked components, but instead of using all used parts, new components are used to replace those which incur high wear.

The components which are replaced are:

1^st motion single roller bearing
1^st motion spigot bearing
3^rd motion double roller bearing
3^rd motion nose bearing
Idler bearing
Layshaft & Bearings, a competition high grade steel shaft is used
4 x baulkrings
Molybdenum competition diff pin
2 x planet gears & bronze thrusts
2 x output shaft mica washers
2 x Steel bound diff bearings
6 x Synchro springs and balls
Central oil pickup replacing the standard oil strainer
New seals and gaskets throughout plus primary seal
All gaskets required to refit gearbox to engine