Introducing the SpeedFactory Heavy Duty Detent Spring Kit. Add enjoyment to your driving experience with this simple to install and inexpensive upgrade that gives improved feel and shift action as you engage each gear.

The SpeedFactory HD Detent Spring Kit is a set of upgraded coil springs that increases the positive ratcheting feel of your transmission, with an over 80% increase in spring rate over the soft factory springs.

These spring kits are suitable for use in any car, street or track and are ideal for anyone desiring improved shifting feel.

Greatly improved tactile feedback/feel of each shift also helps ensure that the fork is fully in the desired gear position, and that it stays there.

Transmission Applications: