Pulley Boys Supercharger Pulley
Increase your supercharged 3.8L V6's horsepower by up to 30+ with our easy to install supercharger pulley. More boost at a great price!...
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The Pulley Boys Supercharger Pulley is the highest quality, best engineered aftermarket pulley available. Add more boost and horsepower with the single most popular upgrade for your GTP. The 3.4 pulley will add approximately 25-30 HP to your engine.
Exceeds factory quality and installs in less than an hour. Coated black, this pulley looks very much like a stock pulley.
NOTE: To realize the full potential of the pulley and to get maximum throttle response PFYC recommends a cold-air intake and a cat-back exhaust with U-bend removal.
These pulleys will only fit on factory nose drives and are finished in black zinc chromate coated steel. Please make certain you read the Q & A section below before choosing your pulley.
Also fits 2004-2007 Grand Prix, 2004-2005 Monte Carlo SS and 2004-2005 Impala SS.
NOTE: Care must be taken when replacing your pulley. Use the right tools and if necessary, get help from a friend or professional.
Q: Will the 3.25 or 3.00 pulley give me more horsepower?
Q: What if I want the option of swapping pulley sizes but don't want the hassle of installing a Magnuson Nose Drive?
Q: Do I need to include a puller to install and remove a pulley? Can't I just use my regular pulley removers to save some cash?