Subscribe to a magazine

Mainshaft Compare

Back to article View Gallery
8 of 15
7. A mainshaft comparison illustrates the SYE kit's length benefit. Also note how the OE mainshaft (bottom in the photo) has spiral-cut splines for the speedometer drive gear. This is a well-known weak point in the original design. This kit's new shaft doesn't have the spiral gears and also accommodates a 32-spline yoke, making it considerably stronger than stock.