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VMP Performance VMP249KW90

Roush M90 Supercharger Pulley & 90MM Idler Package 2.49" Diameter

VMP Performance VMP249KW90

823-VMP249KW90

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Estimated ship date 10/03/17 if Ordered Today
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VMP Performance VMP249KW90 Roush M90 Supercharger Pulley & 90MM Idler Package 2.49" Diameter $199.00
Roush M90 Supercharger Pulley & 90MM Idler Package
  • 2.49" Diameter
  • Keyway Design
  • Fits 2005-(early)2008 Mustang 4.6L 3V with Roush Supercharger

  • VMP Performance VMP249KW90 Details

    2.49" keyed design! Approximately 1/2 to 3/4 lb more boost than other pulleys.

    Features:
  • This is the old style pulley with a keyway and held on by a bolt.
  • Includes larger 90MM replacement idler to improve belt wrap and take up slack, allowing for use of stock belt.
  • For late 2008/2009, Roush changed the type of pulley on their Stage 3 cars and M90 Roushcharger blowers.
  • Adds even more boost than the aftermarket pulleys from Roush Performance.
  • Tuning recommended when swapping from a stock pulley. Most tunes will adjust if swapping from a 2.55 or 2.57 pulley.
  • One-piece steel design powdercoated so it will not rust. Will not come off like some aluminum pulleys.

  • VMP Performance supercharger pulleys help twist your blower just a bit faster for increased boost pressures and horsepower. Swapping the supercharger pulley is a very popular upgrade for new Mustangs equipped with superchargers because it can be accomplished in your driveway in less than an hour. Some of these pulleys may require additional tuning, use of race fuel, injector and fuel pump upgrades. Be sure to 'View Details' for any additional information.

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