1964-65 4speed hump and a 1966 4 speed hump

Are you sure that’s a 66? The 66 should look just like the 64/65 but with an oval hole. That one looks like a 67 and newer hump
Are you sure that’s a 66? The 66 should look just like the 64/65 but with an oval hole. That one looks like a 67 and newer hump
Not sure. It was sold to me as a 66. I will get back in garage tomorrow. Measure and look it over better.