magnum mounts

which shumacher mounts /6 to small block or 273-360 replacement mounts ? and year range must vary for car your using , just trying to pin down before buying new mounts thanks
Best you pm us and get the phone # so you can talk to J. He deals with all the web site/sales stuff. I deal with wire harnesses, pcm flashes, cam design and fuel system design. We will be in shop after 9 am pacific time