This is a lip seal of improved design, This is a superior alternative to the OEM type lip seal.
Viton Rear Crankshaft Seal for MGB w/5-main engine and MGC. The Viton material is more robust compared to the standard rear seal which will give longer life and a greater seal protection.
Cross Ref.# 120-821, 13H2457, 88G621, AHU2242, CNB123, LUF10002, NB123, WR1125