Kenny Brown Tech Tip - How to Read Spring Rates

Kenny provides a quick overview of how to read all those crazy numbers they have on coil-over springs. It's always good to know if the numbers are SAE or metric, what the rate is, and other metrics that might be important.
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[@AmrinderSingh-zx9hr]

Great 👍

[@FairladyS130]

Hmmm, I have an Eibach spring marked ERS-H-170 60-0120. It's 170 mm long, 60 mm ID. I assume that it's a metric spring and that the 0120 mark refers to a metric spring rate measurement of some sort.