And it will cost around $500 to recore your $500 radiator for a total of $1000. For $100 more you get perfect all new repro.
The guy wanting $400 can't move his.
A 68 Hemi radiator is a 68 A-body 383 radiator and only used in that application. It was not shared with common 318 A/C cars like the 340 radiators.
And they made a ton of 69 340 cars.