Product Details

Brand

Roush

Part Number

421908

Recommended Tools

While specific tools may vary, the following are generally recommended for Roush products:

Standard metric and SAE socket set (3/8" and 1/2" drive)
Torque wrench (ft-lbs and in-lbs)
Combination wrench set
Jack and jack stands
Safety glasses and gloves

Recommended Supplies

Along with your tools, keep these consumables on hand for a clean installation:

Included mounting hardware and fasteners (verify against packing list)
Threadlocker (medium-strength) for fasteners as specified
Shop rags and parts cleaner / degreaser
Anti-seize or dielectric grease where applicable

Important Safety Information

Always disconnect the battery before working on electrical components. Use proper jack stands when working under the vehicle. Allow the engine and exhaust to cool before beginning work. Follow all manufacturer torque specifications. If unsure about any step, consult a professional mechanic.

Installation Tips

Read all instructions completely before starting installation
Verify all parts and hardware are included in the package
Take photos of the factory setup before removal for reference
Use manufacturer-specified torque values for all fasteners
After installation, recheck all fasteners after 50-100 miles of driving

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