Need to know who makes block hugger or shorty headers for a 1973 dodge dart swinger

http://www.summitracing.com/parts/HED-78500/

Here is some info and pictures of them as well:

http://www.forabodiesonly.com/mopar/showthread.php?t=117019


Also this starter article might interest you.
http://www.moparmusclemagazine.com/techarticles/engine/26111_starter_upgrade_install/index.html