Uprated Small Spring (Single)-Colour Standard Spring Colour Blue Spring

These are the individual springs sold in our FMTVTUN kit. Please select the colour you require using the options above.

Valve Spring Colour Coding: The weakest spring is GREEN, followed by YELLOW, BLUE, RED, and WHITE which is the strongest. Depending on the supplied original fitment, this represents an increase of 25%, 50%, 75%, 100%, and 125% respectively.

The standard spring option is for customers who wish to replace a broken idle spring in their twin piston atmospheric dump valve.
 

*The above should only be considered as a guideline*

Note: Serious or fatal damage may occur to the engine and associated components if this product is incorrectly matched to the individual engine requirements. Forge Motorsport nor any of it’s Authorised Distributors can assume any responsibility for any adverse effects resulting from the installation of this product.