Problems With Underdrive Pulley Sets?

Answer Underdrive pulley sets are designed to drive the vehicle's accessories, such as the alternator, water pump, power steering pump and air conditioner compressor at a slower rate than the stock pulley... Read More »

Top Q&A For: Problems With Underdrive Pulley Sets

What Are the Benefits of Mustang Underdrive Pulley Sets?

The Ford Mustang is a popular, sporty car. Although equipped from the factory with powerful engines, some owners upgrade their stock power plants for the sole reason of obtaining even more horsepow... Read More »

Underdrive Pulley vs. Lightweight Pulley?

Most modern cars feature a serpentine belt system mounted to the engine. This system of pulleys provides power to various engine accessories, such as the alternator and air conditioning system. All... Read More »

What Is an Underdrive Pulley?

Since the federal government began regulating engine modification, enthusiasts have had to become much more creative in finding a means to emissions legal power. Underdrive pulleys are one such 50-... Read More »

How to Install an Underdrive Pulley?

Every car engine uses a number of pulleys to drive components such as the fan and the air conditioning. These components are driven by a belt that in turn is driven by the engine's crankshaft. The ... Read More »