i have been looking for a supercharger for my 78 351m. i cant find one. does one even exist.i have it built up a little already. (30 over bore, 750 edelbrock, high rise weiand intake, hedman fenderwell headers, cam with 539 lift 278 buration, 2500 stall converter.)

 

BDS makes the manifolds for 351-400ms.