Is an aluminum driveshaft safe for a high-power street or race car?
Documented on the 1965 Ford Mustang build
Published June 20, 2026
Aluminum driveshafts reduce rotating mass and can be safe for performance use if professionally manufactured with proper wall thickness, spline coordination, and balanced.
Full Answer
Aluminum driveshafts reduce rotating mass and can be safe for performance use if professionally manufactured with proper wall thickness, spline coordination, and balanced. For very high horsepower or street/competition mix, consult a driveshaft specialist for the correct design.
Documented In This Build
Related Knowledge
What torque should I use on the driveshaft flange bolts?Do I need new U-joints when installing an aluminum driveshaft?Will an aluminum driveshaft cause vibration?Do I need to shorten or modify the driveshaft for my '65 Mustang?What safety steps should I take before starting?How should I protect and organize the new wiring?Can I keep the original radio and still add Bluetooth?Can I use an F100 driveshaft in my '65 Mustang?
Related Parts
Aluminum driveshaft (one-piece or two-piece depending on model)
$900
Universal joint kit (U-joints) - rear & front if required
$60
Driveshaft flange bolts / hardware kit
$20
Related Tools
Torque wrench (ft-lb)
Floor jack
Socket set and ratchet / breaker bar
Pry bar / flatbar
Safety glasses and gloves
Marking tool (paint or scribe)
Jack stands (pair)
