yes that fitting will be your turbo oil feed and a oil pressure switch to your dash.the feed goes up between your engine and bulkhead and has a couple of p clamps to your head above the exhaust manifold and then into your turbo.

is your engine 2wd or 4wd?

​​​​​​https://mattlewisracing.co.uk/produc...-oil-feed-hose 2wd

have a look on the burton website and you will see the differences