How to Identify an S13 & S14 Driveshaft Spline Plus Specs

Written By: Dung Nguyen (and one other contributor)

Difficulty

Moderate

Steps

Time Required

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.