have been trying to get a front crankshaft oilseal for a 1256 engine a am rebuilding, tryed all the usual suspects, E bay,Jonnie Jumble etc without any luck.Found a company in Hull George Lodge & sons LTD 01482 329553
www.georgelodgedirect.co.uk who stock imperial size seals. sorted me out with two £11.05 inc postage Result