Andrew, I have a 2000 with the same spec and usage, I'm looking at the +45mm Dobinsons/Bilsteins combo below, seems to be a good match from my research... (No affiliation with vendor)
Bilstein Shocks (front) BE5B994 (rear) BE5B995 $1000 Discovery Series 2 2" lift Bilstein Shocks X4, Suspension Stuff
Bilstein rear stone guards $50 Discovery Series 2 Bilstein Shock Stone Guards, Suspension Stuff
Dobinson Springs +45mm front c51-042 rear c51-015 $350 Discovery Series 2 2" Lift Dobinsons Coils Springs X4, Suspension Stuff

