1975 440 flywheel needed

[B.D.A.]

have a 1975 440,with a cast crank i believe.and need a manual flywheel

 

[whitepunkonnitro]

Not to complicate your life, but check your crank to make sure it's drilled for a pilot bushing.
As for the flywheel, you're wanting to find one from a cast crank 383 or 400. BEWARE, some early 400 sticks were steel crank and are neutral balance.