2008 lmm lowering shackle question
 

I have a 2008 2wd crew cab lmm and ive seen numerous post with peoe saying they have 3" drop shackles on their trucks and i have looked everywhere on line for them but i can only find 2" drop, if someone could please post a link for the 3" drop shackles i would greatly appreciate it

2001 2010 Silverado Sierra 1500 2500 3500 HD 2 3" lowering Drop Shackles 2WD 4WD | eBay

here's some that I was looking at a while back then decided to lift it.