Anyone that wants to use the coolant or oil ports in the rear iron, they're tapped for 1/8" BSP. It's almost 1/8" NPT, which is what many temp senders are, but not quite. I've seen a lot of people "make them fit". But, when you do that, you'll destroy the threads on the sender and it will probably leak. We stock the 1/8" BSP to 1/8" NPT adapters. Easy peesy.
http://www.lms-efi.com/sunshop/index...t_detail&p=176