LocoJeeper

An extra spring leaf that is added to the spring pack.

Triangular-shaped suspension component with two pivot points connected to the truck’s frame and one point attached to the spindle.

Antilock Braking System

An aftermarket exhaust system that attaches to the outlet side of the catalytic converter and generally consists of a free-flow muffler, new tubing, and mounting equipment.

Enclosed chamber that routes fresh air to the carburetor or intake manifold. Some trucks use an airbox with an integral filter; some use a remote filter at the airbox’s intake duct.

Full-width panel just below the bumper, designed to reduce or modify airflow under the truck, which improves aerodynamics but limits ground clearance.

To lower the air pressure in tires. Airing down increases traction and smooths out the ride over rough terrain.

The ratio of air to gasoline that makes the fuel mixture. Theoretically, the perfect ratio is 14.7:1.

A selectable locking differential manufactured by ARB that uses compressed air to engage the side gears.

A system in which all four wheels are driven but that lacks a multirange transfer case.