The factory three-speed behind a Land Cruiser six-cylinder is the weak link in an otherwise durable drivetrain. This kit swaps in a GM SM465 four-speed, which brings a deep granny-low first gear and far more torque capacity while keeping the original engine in place.

Advance Adapters 712519 Installation Notes:

• Adapts a Land Cruiser six-cylinder engine to a GM SM465 four-speed transmission.
• Replaces the original three-speed transmission.
• Adds a deep low first gear for trail and load-hauling use.
• Transfer case adapter and clutch components are sold separately.
• Sold as a kit.