We will be offering our 1/2" sending units for Mopar A-bodies in about a week or so. They are not on our website yet but will be similar to this one:

http://www.robbmcperformance.com/products/1084_fordsend.html

Will have 1/2" feed and return (AN fittings optional). The 1/2" return is handy if you are using a return/bypass style regulator.