F-O-A Tech Tools App Available Now at the Apple App Store

Click here to go to the Apple App Store to download the F-O-A Tech Tools App now!


The F-O-A Tech Tools App includes our most popular tool the Spring Rate Calculator. Coil Over Shocks will typically use a Dual Rate Spring setup. We use a Main Spring and a Tender Spring. Use the F-O-A Spring Rate Calculator to get your recommended spring rates.


App 1  App 2  App 3

  • Category: Utilities
  • Released: Dec 09, 2015
  • Version: 1.0
  • Size: 53.6 MB
  • Language: English
  • Seller: FIRST OVER ALL
Compatibility: Requires iOS 6.0 or later. Compatible with iPhone, iPad, and iPod touch.