Roush underdrive pulley kit for Mustang S197 2005-2009
New old stock - Roush underdrive pulley kit for 2005-2009 Mustang S197 GT
Roush part number 401433
Improves Fuel Efficiency
Two Piece Kit.
Fits 2005 to 2010 4.6 GT Mustangs.
Free Up Horsepower. The Roush Underdrive Pulley Kit will allow you to gain more horsepower, gas mileage, and accessory life by using 25% less power than the stock pulley.
Quality Construction. This Roush 2-piece Replacement Pulley set is crafted from steel for durability and strength. They are completed in a black powdercoat finish for great looks under the hood.
Fitment. The Roush 2-Piece Underdrive Pulley Kit is designed for use on the 2005 to 2010 GT Mustang with the 4.6 SOHC V8 Engine and reuses the stock belt for installation. Not compatible with ROUSHcharged Mustangs.