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2005-2010 Mustang Underdrive Pulley
Roush Performance

Roush Performance
2005-2010 Mustang Underdrive Pulley

Gain 8-10 horsepower Improved fuel efficiency Increased accessory (such as the alternator) life 25% reduction in pulley diameter over stock Fits 2005-2010 4.6 V8 Ford Mustang GTs Does not fit ROUSHcharged™ vehicles Part #401433

ROUSH PERFORMANCE ACCESSORIES