Description
High-quality, made in America. All pulleys are CNC machined from aircraft-grade 6061-T6 aluminum. These pulleys are lighter and stronger. The smaller pulley requires much less effort for your engine to turn, giving you more horsepower to the powertrain — an estimated 10–12 HP gain.
Add throttle response to your V10 with our new T6061 billet underdrive pulley! Machined in the USA from T6061 billet aluminum, this pulley reduces the factory diameter to slow down excess power loss to accessories, resulting in free horsepower and faster quarter-mile times. During testing, we’ve seen an average gain of 10–12 RWHP and a tenth or two quicker acceleration in the quarter mile. This one-piece pulley, made from strong billet, includes new bolts when necessary.
Use a 1-inch shorter belt, available from your local auto store. Not included.
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