just bougut a couple of 4s,yes I know Im losing it desperate for a drive shaft and clutch kit they are both 68ters early I guess asthe ones I have bought from good sources think it must be earlier shorter and much lighter in construction with shorter splines on the hub end theoriginal opprox 19mm dia as to the new one offered at 23mm approx much bigger splines as well.The clutch pressure plate is also smaller approx 180 mm across .disc about right. Is there anybody out there who can help please.Also please dont advertise any cars for sale on ebay.until I am cured.Al tatlock