K27HFS core value?
 

I have a k27HFS that started leaking oil due to failed seals. It has very low mileage approx 550 miles. This was on a sitting project car and greatly missed the window to send back.

I am considering this a core. It was a hoot on my project my efi'd 930 with sc/964 cams, right up until it failed. Going to a different turbo. What is the value for a core?

Thanks all!