Click a topic to view more information.

Why use a 4L80E and not a 4L60E?
What about HP loss or consumption?
What about size/weight of the 4L80E?
What are the differences in the cores?
What about using an early model core on an LS engine with the missing bellhousing bolt?
What about a converter cover?
What type of fluid should be used?
How much power can the 4L80E handle?
How does a Jake’s Performance 4L80E differ from a competitor’s?
What size thread do the cooler lines use?