Now I can see the picture, any auto parts store will have a piece of coolant hose to fit that.
Remember to burp the system. I like Peak Global 50/50 premix, that's what I topped mine off with.
199,000 May 12 new ej257 short block, Aug 11 installed VF52 turbo, @20.8psi, 280whp, 300ftlbs. CHECK your oil, these cars use it.
Engine Build - Click Here