Here are links to OEM kits. The 3” kit is actually split into two kits (front and rear) but the 6” kit is just one complete kit. Just a heads up, they aren’t cheap but they quality and factory level design. And seems nothing is cheap anymore.
3” Lift
Front End CVG193753U
https://evtechnicalservices.com/onli...-jm-cvg193753u
Rear End CVG193754U
https://evtechnicalservices.com/onli...-jm-cvg193754u
6” Kit Complete CVG193412U
https://evtechnicalservices.com/onli...art-cvg193412u