Fueling & Injection - What Vendor for dual pumps return fuel? 99 C5 427 maggy

What Vendor for a dual pumps hanger adjustable raising rate regulated return fuel system?

99' C5 built /studded 427ci maggy custom lower and upper @ 14PSI

Just got off the phone with RSI the nice dual system they offer is NOT available?

any recomendations?

Give me a call. I can take care of you on a dual pump fuel system.

Lonnie's, I ordered my twin 340 pump set up and thought wow that's a chunk of money. When it showed up first thing I thought was OK now I get it.

Lonnie's it is!