You'll need the R380 V8 bell housing and the R380 diff lock linkage arm FTC4095.
Most of the other parts cross over from the LT77.
You'll need a new shift knob if you want the pattern to be right on the shifter.
Hopefully you bought a Defender R380 V8 gearbox and not the Disco version (that won't fit).
To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.
I do not check PMs. Call or email if you need something.
ECR is not a parts source. We are not in the mail order business.