I will guess this one for a BT7. 4 total 1 - check strap 2 - knock offs 1 - rear axle (with help from the other Len) At 01:41 PM 7/25/2013 -0700, David Nock British Car Specialists wrote: >How many Left handed threads are there on a Healey. There are two >answers depending on the model we are talking about