Your stock LS springs are great! For stock stuff of course. If you’re running a stock cam a set of stock springs are perfect. Now if you start twisting the RPMs, well you wanna upgrade. If you throw in a bigger cam, you wanna upgrade then too. Not sure what you’ll need? Just watch this video! Brian Tooley Racing has you covered! A more than proven name in the LS aftermarket world at a price that leaves money for the look good parts too! This BTR Valve Spring Kit SK001S has everything you need to change out your LS valve springs and gives your the peace of mind that your springs won’t leave you stranded!