Cosw BD, FVA/FVC; Lotu Twin Cam Rear Oil, Crankshaft Retainer, Cosworth BD Series, FVA/FVC; Lotus Twin Cam Rear Oil Seal Cover Gasket, Cosworth BD Series, FVA/FVC; Lotus Twin Cam .060" AFM Rear Crankshaft Oil Seal Cover Gasket, Engine Crankshaft Seal Retainer Gasket.