Availability
Auto Specialties underdrive crankshaft pulleys increase engine horsepower by reducing the amount of power required to drive external accessories. All pulleys are CNC-machined from billet steel or aluminum, exceeding factory quality.
( 47 )
$70.50
—
$449.99
Auto Specialties underdrive water pump pulleys will help to deliver more horsepower by reducing parasitic drag. These pulleys are made from durable, black nitride hardened steel and will help to reduce the wear on your car's accessories. This power-freeing modification requires only simple hand tools to install.
( 50 )
$87.99
—
$109.99
Auto Specialties air conditioning eliminator kits are just the ticket for taking off unwanted front-end weight. Lightening the front of your vehicle improves rear weight transfer and reduces ETs, and it's never been easier to do than with these eliminator kits.
( 12 )
$114.99
Free up hidden horsepower in your ride with overdrive alternator pulleys from Auto Specialties. They're designed to speed-up the alternator 32 percent for increased charging capacity, and are available in your choice of finishes for a variety of applications.
( 17 )
$43.79
—
$45.79
Try Auto Specialties underdrive street pulley sets to increase your engine's horsepower. These Auto Specialties replacement crank, alternator, and water pump pulleys turn slower than stock and provide up to 15 extra horses, for about 30 minutes of work. You'll also get better mileage and increased accessory life in the bargain. Instructions are included.
( 30 )
$97.99
—
$369.99
Auto Specialties harmonic balancers are integrated with an underdriven crankshaft pulley to slow down your accessories and increase power. CNC-machined for precision and durability, these Auto Specialties harmonic balancers feature a durable nitride finish to resist corrosion.
( 1 )
$177.99
—
$354.99
Auto Specialties offers these overdrive street pulley sets for a wide range of applications in a great choice of finishes. These pulleys increase your horsepower, fuel mileage, and accessory life!
Not Yet Reviewed
$979.99
Improve your quarter-mile time by using Auto Specialties Performance racing pulleys. These replacement crank, alternator, and water pump pulleys turn slower than stock and provide about 12-15 extra horses--for about 30 minutes of work. You'll also get better mileage and increased accessory life in the bargain. The pulleys are made from either high-grade carbon steel or hard-anodized aluminum. The steel pulleys feature a black nitride finish, while the aluminum pulleys are hard-anodized in black. They come complete with mounting bolts and instructions.
Not Yet Reviewed
$99.99
—
$169.99
Auto Specialties overdrive crankshaft pulleys are designed for use with superchargers. Auto Specialties overdrive crankshaft pulleys help to increase boost by using a larger crank pulley to turn the compressor faster. Auto Specialties overdrive crankshaft pulleys can help you to increase your boost by as much as an estimated 8 psi.
( 1 )
$282.99
Modal Header
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster
