Cheap Posi ebay 7 1/4?

[1969GTS]

I'm not sure what has 25 splines, a 7 1/4 possibly. I know my 8 3/4 has 30 but this may be a good deal for someone with a smaller dif

http://cgi.ebay.com/ebaymotors/ws/e...viewitem=&item=320302033856&_trksid=p3907.m32