The BOSS 351 engine from the 1971 BOSS that my Dad bought new looked perfectly at home in the engine bay of my '72 Pantera:
I had that engine in three different cars ('71 BOSS 351 Mustang, '68 Shelby GT500 convertible, and '72 Pantera) and put over 100,000 miles on it before I decided it was time to refresh it.
Now it looks perfectly at home in my ERA FIA:
In the seventies when the 351C, M, and W were new, most all of the performance parts were made for the Cleveland design. These days most of the performance parts available for Ford 351s are for the Windsor design. Guess I'm still

ld school" - love my Charlie engine.
Jeff