| The Power & Amp Series are recommended for Automatic Transmission Vehicles.
March Performance Pulleys are precision machined to run perfectly true. This alternator pulley is machined from high carbon billet steel and coated with iron phosphate then covered with high gloss black polyester powdercoat for maximum rust prevention. The aluminum crank pulley is CNC machined from 6061-T6 billet for extra strength and wear. Hand polished and finished with "No Polishing" clear powdercoat.
The Power & Amp Series increase horsepower by reducing accessory drag. They are designed for cars with high amperage needs and/or heavy stop and go traffic. Expect as much as an 11 HP increase at the rear wheels!
This 2-piece kit includes an underdrive aluminum crank pulley and an overdrive steel alternator pulley. Belt size required is 590K6.
For normal street driving, check out the March Performance Series Pulleys!
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