Holley Dual Inlet Rail -6 an Blue Suit 1-2 Metering Blocks.

carburettor intlet line kit.

this line kit can be used holley or barry grant/demon dual fuel line carbs, they feature -6 fittings and come with a block off cap for either front or rear entry. They also feature a 1/8" npt auxilliary port.

available in blue/red, silver and black.