For FelPro 16250 crankshaft repair sleeve which is for 5.0, 4.2, 3.9, 2.8L engines.
For FelPro BS 40620 rear main seal which is used on many engines: 6.8, 5.8, 5.4 ,5.0, 4.6, 4.2, 3.9, 3.8, 3.0, 2.5, 2.3L
Mail Seal # is M-6701-B302
Note: For FelPro BS 40644 seal is PTFE and is NOT to be used with a repair sleeve.