F1ULTRA option spring set.
Each spring is black coated and marked for easy identification.
Each spring gets shorter for each firmness in order to reduce the need to adjust ride height as you try different spring rates.
Includes;
1x Medium spring, blue 11.8lb
1x Soft spring, yellow 9lb
1x Extra soft spring, red 6.8lb
Note: 25wt or 300cst shock oil is suggested starting point for the soft spring set.
$10.95 MSRP
Posted by Tom Slick on 15th Mar 2022
For a very long time, it's been necessary to utilize the Tamiya spring collection to have shock springs soft enough for an F1 car (touring car springs tend to be too stiff). With this set of Exotek springs, F1 racers now have an inexpensive option for their shock-spring choices.