On every 351 Cleveland radiator hose I've installed, the straight section, which connects to the radiator, was longer than necessary and I cut it to fit. So, it should work fine for your '67.

It can be difficult to find a correct, Cleveland radiator hose. This is why so many Cleveland cars have the proverbial flex hose up top. I ordered my belts and radiator hoses from NPD. Likely your local parts store won't have a clue and will try to sell you a Windsor radiator hose. Or a flex hose.

 

I'll add to that. AutoZone is exceptionally sloppy in their "antique" auto listings.

Case in point: Y'all know the year, make, model thing, and it's annoying, but is is the way their filing system operates...But I digress. As a former employee after retirement, I might be the worlds authority on the pitfalls of their system. So in you go, year:70, Make: Ford, Model: Mustang. At this point it request engine size: 351, M code, Which is a 351C 4V. Input hose, lower. Up pops the hoses, lots of hoses. Further inspection reveals the first 3 are Windsor hoses. What? I entered the M code Cleveland motor. WTF??? Sloppy just plain sloppy. Enter water pump, same thing. I actually got screwed on this deal myself, (and I know better) I was in a hurry, and snatched a water pump, got home, opened the box, and the first thing I see is the cover plate on the rear of the pump. No plate on a Cleveland. So much for the hurry, here comes the return trip.
Here's the point, people don't walk in every day to get a water pump or hose for a near 60 year old car, so most of the parts folks are unaware the AutoZone programmer took a few (lazy) shortcuts. If your AutoZone is like mine, most of the parts guys today have no interest in learning the pitfalls of the system, especially when it relates to a 60 year old vehicle. Look for the old guy, then again if your store is like mine, they yell, "Hey Don, old Ford, and run like they saw a skunk. If the old gear head guy is not there, get involved in the look up. It might save you some time and frustration.

 

I am using a D0ZE-8B274-C upper radiator hose on the 351C in my 69 Mach 1 with a 24” Cold-Case radiator. Fit is very good. I didn’t need to modify it at all. It is ~19 inches long.

 

I measured the gates flex hose at 22in. So if D0ZE-8B274-C is only 19in, then I may have to go back to a flex type.

Thanks,
Bob

 

Bought my Cleveland hoses from NPD as well.

 

Get the concours radiator hose set from a Mustang vendor if you want an easy time fitting radiator hoses. I've used a flexible upper radiator hose without problems. It works fine and is cheap. But the lower hose is a different story. I tried a cut-to-fit one for the lower and failed to cut it correctly. One time I did manage to get one cut, and it was very close to a belt. The concours hoses don't seem to be sold separately.

 

+1 for NPD, that's where mine came from.

 

Gates direct fit molded upper hose for a 1970 Mustang w/351C - 20468

 

I knew that, it sticks 2,4,6,8. My brain calls it 2 point oh, 4,6,8.
Memory tricks of an old guy.

 

The Gates upper hose is not a perfect fit. It's a bit long. It will fit but have a slight kink. It will fit well if both ends are trimmed. It may be what the reproduction hoses start with. It's also listed for Buick Invicta and some Mopars.