US radiators triple pass optima 4 core, got it through Classic industries, I went with the copper brass because it looks original and cools well beyond what my hemi puts out. Tim
http://www.usradiator.com/dodge-charger-1966-69-v8-bb-radiator-2354.html

1941 Taylorcraft
1968 Charger
1994 Wrangler
1998 Wrangler
2008 Kia Rio
2017 Jetta

I didn't do 4 years and 9 months of Graduate School to be called Mister!