LR 4-pin diff. for D90,D1,RRC $200 shipped
LR 4-pin differential center for sale. This is an excellent differential out of the rear of a 4.6 RR. It was machined to work 100% properly in D90,D1, and RRC differentials. Basically the ring gear mounting flange diameter was cut down 1/2", the webbing was cut down some, and one bearing journal moved deeper into the center by about 1/4". All of this done to match the regular long-nose differential center specs. The older LR 4-pins are hard to come by, so this is a common modification in Britain. All modification done by a good machine shop. The bearing journal modification was measured and cut by computer managed equipment to be perfect. Machine work cost $150 and the diff. cost me $200. I took the differential apart after the machine work to check for metal filings and cleaned everything. The gears and shafts were 100% perfect. I properly re-torqued the case bolts with red thread locker too. It's a very strong open diff.
Second picture shows the 4-pin on the right.
New Timken bearings included.