This driveshaft features a smaller diameter shaft compared to many other aluminum driveshafts on the market. This is intended to give you better clearance and avoid rubbing on lowered vehicles. As with all lowered S197 Mustangs, be sure to check pinion angle during your installation process. This not only avoids premature wear, but also helps ensure you will have proper clearance for your driveshaft.
Disclaimer - Driveshaft Hardware
The 1979-2004 Mustang factory driveshaft bolts are installed using a thread locker chemical and are NOT torque to yield. If reusing the factory bolts, clean the old thread locker material from the threads, and apply new blue thread locker before reinstalling the bolts or use new driveshaft bolts and apply blue thread locker to threads and torque to the factory specifications. New bolts can be found here: HDW-4602.
For 2005-2021 Ford Mustangs, it is recommended that you install new driveshaft to pinion flange bolts when removing the driveshaft. The driveshaft to pinion flange bolts are torque to yield and should be torqued to 41ft-lbs.
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