How to Identify an S13 & S14 Driveshaft Spline Plus Specs

February 24, 2015

Difficulty: Moderate

Step 1: Looking at the Input Shaft

This image demonstrates what the end of an S13 and S14 Input shaft looks like.

The Outside diameter of a S13 and S14 Input Shaftis 35mm

The spline count on a S13 or S14 input shaft is 24. This includes the 2 teeth missing opposite of each other.

The specs provided here are true for both SR20DET and KA24DE.