Ported Edelbrock Victor flow numbers

With a std steel Comp retainer and std locks(741 & 611), and a .060 thick spring cup, the installed height is really close to 1.900.
Some “tall” retainers could gain upwards of another .050, and spring seats that are .035 thick will give you another .025.

If you have rockers that will clear a 1.640” spring, Manley 221424’s will work fine at .800” lift with a 1.950” installed height.