I have a brand new in box 2 stage nos dual shot cheater system.
Here's the link to the kit on summit:
http://m.summitracing.com/parts/NOS-02201NOS
All still in the package except for one fuel fitting and the carb base gasket. Otherwise it's all there and never been used.
Almost $700 new, asking $550 obo.
Email or call/text 508-410-8078. Thank you.