440 six pack question

Will a six pack manifold for a older year car (69-72) fit a 73 440 or are all the manifolds for 440s the same? The 73 440 is out of a camper if that makes a difference.

Im new to the mopar stuff and just making sure everything will fit.

Something like this manifold.
http://cgi.ebay.com/ebaymotors/Edel...rQ5fTruckQ5fPartsQ5fAccessories#ht_2261wt_833

thanks
David