Key Features
- 3" DOM (Drawn Over Mandrel) steel tubing - stronger and more concentric than standard welded tubing
- 31-spline forged steel slip yoke for enhanced durability and secure transmission engagement
- 1310 series U-joints with 1.062" bearing caps and 3.219" width - factory-correct sizing for '67-'73 Cougar
- 51.25" length engineered specifically for 1967-1973 Mercury Cougar applications
- High-speed balanced for smooth, vibration-free operation
- Black painted finish for corrosion protection
- Custom-built to your vehicle's exact measurements
- Made in the USA
Description
When your classic Mercury Cougar needs a dependable driveshaft replacement or upgrade, this precision-built steel driveshaft delivers the reliability your drivetrain demands. DOM (Drawn Over Mandrel) construction produces superior strength and concentricity compared to standard electric-welded tubing - typically 50% stronger with tighter ID/OD tolerances that reduce balance issues and eliminate the weld seam inconsistencies that plague lesser shafts.
The 1310 series U-joints feature 1.062" bearing caps and 3.219" overall width - the standard for most factory applications through the mid-1970s and perfectly matched to your Cougar's original specifications. The 31-spline forged steel slip yoke provides a secure, high-strength connection to your transmission output shaft while handling serious torque loads without deflection or failure.
Every driveshaft is high-speed balanced to eliminate vibration at highway speeds and painted black for long-lasting protection against the elements. Whether you're returning your Cougar to original condition, building a custom street machine, or upgrading to a modern transmission, this application-specific driveshaft provides professional-grade quality and reliability. DOM steel's tight tolerances and straightness make it ideal for both restoration projects and performance builds.
This is a custom-built product requiring vehicle measurements for proper fitment. After ordering, complete the Driveshaft Build Sheet and submit it to info@moderndriveline.com so we can build your shaft to exact specifications. Compatible with 1967-1973 Mercury Cougar models. Made in the USA.
Kit Includes
- Steel driveshaft with 3" DOM tubing (51.25" nominal length, built to your measurements)
- 31-spline forged steel slip yoke
- Two 1310 series U-joints (1.062" cap diameter, 3.219" width)
- High-speed balancing
- Black painted finish
- Lifetime tech support
How to Order
This item requires measurements from your completed vehicle. Download and complete the Driveshaft Build Sheet, selecting "Steel" as your tube material, then submit the form to info@moderndriveline.com. Questions? Call us at 208-453-9800.