Untap Hidden Horsepower. Don't let your accessories and A/C drain power from your 2005 - 2010 GT. By replacing your factory pulleys with this SR Performance underdrive pulley kit, you'll free up to 15 horsepower that's currently being drained by your accessories and put it back where it belongs - under your right foot. And best of all, you won't affect your vehicle's charging or cooling capacity in the process.
SFI Certified Design. If you're ready to take it to a track, you'll rest easy knowing these SR Performance pulleys are SFI Certified.
Premium Quality. Don't settle for inferior parts. These premium quality SR Performance pulleys are made from lightweight aluminum for durability and performance. Made using precise, state-of-the-art CNC manufacturing, you can count on these pulleys to perform at the highest level.
Easy Installation. This SR Performance Mustang Underdrive Pulley kit installs quickly and easily in under 2 hours with no modifications required.
Application. These SR Performance underdrive pulleys are specifically designed for use on the 2005 to 2010 GT and 2008 to 2009 Bullitt Mustangs.