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 )
$74.99
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$139.99
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
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
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$45.79
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