Bilstein B8 5100 Series Pair of Rear Shock Absorbers for 2007-2021 Toyota Tundra with 0-1 Inch Rear Lift 24-321150 | Includes Decal

I'm trying to level out a stock 2020 tundra and would like at lease 2" lift on front end. Why the .8-2.3 " variance? Will these 5100's give me a 2"