Description
Performance Enhancement. The 2.49-Inch Roushcharged M90 Press-On Pulley and 90mm Idler Pak is designed to increase boost output for vehicles equipped with the Roush M90 supercharger system. This package optimizes belt tension and wrap, ensuring reliable power delivery and improved supercharger efficiency, making it ideal for enthusiasts seeking enhanced performance.
Construction and Appearance. Crafted from one-piece steel, the pulley is powdercoated black for durability and corrosion resistance. The larger 90mm idler pulley improves belt routing and tension, promoting longevity and consistent performance under high stress.
Installation. Installation requires familiarity with press-fit pulley removal and installation tools. No drilling is necessary, but the use of the recommended special tool is advised to avoid damage to the supercharger components.
Application. Specifically designed for 2008 to 2010 Mustangs equipped with the Roush M90 supercharger and 4.6L 3V engine, this kit is not compatible with earlier Roush bolt-on keyed style pulleys or other vehicle configurations.
VMP Performance VMP-249PW90
CA Residents: WARNING: Cancer and Reproductive Harm
- VMP Exclusive 2.49″ Design
- Fits 2008-2010 Mustangs With The Roush M90 Supercharger Kit And The 4.6L 3V Engine
- Compatible With Mid 2008 Roush Press-On Style Pulley, Not Bolt-On Keyed Style
- Includes Larger VMP 90MM Replacement Idler To Improve Belt Wrap And Take Up Slack
- Allows Use Of Stock Belt
- Newer Style Pulley Has Curved Fins And Requires Special Tool For Installation
- Generates More Boost Than Other Aftermarket Pulleys From Roush Performance
- Recommended Tuning When Swapping From Stock Pulley Sizes Such As 2.55 Or 2.57
- One Piece Steel Design Powdercoated Black
- Fits 08-10 Mustang GT
| Brand | VMP Performance |
| Pulley Type | Supercharger |
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