Why Are More Splines Better?

Higher spline counts gives the axle more surface to transfer the load of the torque from the differential. There is also the side advantage that an axle with more splines will also be physically bigger. At least in most modern axles that use similarly sized spline teeth.

Is 28 or 31 spline better?

31 spline axles which are about 30% stronger than the 28 spline axles making them a popular aftermarket upgrade for Fox, SN95, and New Edge Mustang owners. ... Keep in mind that when you upgrade to the 31 Spline Axles, you will also need a 31 Spline Differential to match up with the new spline requirement!

What is the strongest axle material?

As the horsepower of the vehicle increases and subsequent wheel torque is generated, stronger materials like SAE 1550 or 4340, or even a more exotic 300M, are needed for extreme-duty axle shafts. The SAE 4300 series material is referred to as a high-strength low-alloy material.

Marcus Vance

Marcus Vance

Cybersecurity & Digital Privacy Researcher

Marcus Vance is a cybersecurity auditor and technology writer dedicated to educating the public about online safety, data privacy regulations, enterprise security, and emerging cyber threats.