There are differences between LHD & RHD vehicles, RHD use same spring on each side of an axle, LHD often use different lengths on the same axle & need to be fitted on the correct sides.
NRC4304 go on the rear, both sides.
This worth a read: http://www.red90.ca/rovers/springinfo.html
Have a look at the spring listings on Rimmers, note that 'P' on the end of their number is a Pattern or aftermarket. Leave the 'P' off when searching the net.
Rears: https://rimmerbros.com/ItemList--Range-Rover-Classic-Coil-Springs-Front--m-14950
Fronts: https://rimmerbros.com/ItemList--Range-Rover-Classic-Coil-Springs-Front--m-14950
Mine's due a new set so my measurements won't be any help.
I've no idea about lifts other than suggesting you measure the springs off the vehicle to see what their actual length is.
NRC4304 go on the rear, both sides.
This worth a read: http://www.red90.ca/rovers/springinfo.html
Have a look at the spring listings on Rimmers, note that 'P' on the end of their number is a Pattern or aftermarket. Leave the 'P' off when searching the net.
Rears: https://rimmerbros.com/ItemList--Range-Rover-Classic-Coil-Springs-Front--m-14950
Fronts: https://rimmerbros.com/ItemList--Range-Rover-Classic-Coil-Springs-Front--m-14950
Mine's due a new set so my measurements won't be any help.
I've no idea about lifts other than suggesting you measure the springs off the vehicle to see what their actual length is.