SB 6 Pack on EBay

Thank you for the information.
Air cleaner assembly
MOPAR - Air Cleaner Assembly Kit — Non-Cold Air
Air filter
Mancini Racing Six Pack Air Filter Element
Center carb - 340
Holley 0-4792 350 CFM Factory Muscle Car Replacement Carburetor
No 340 out board carbs available, use this 440 unit X 2, it is $17 cheaper than the earlier year model. It’s only a jet change in difference;
Holley 0-4672 500 CFM Factory Muscle Car Replacement Carburetor
Throttle linkage
Six Pack Throttle Rods
Throttle return spring
https://www.manciniracing.com/340440sixpat.html
Throttle return bracket
Mancini Racing Throttle Return Spring Bracket
Throttle bracket
Mancini Racing Throttle Cable Mounting Bracket
Upgraded fuel line in lieu of the smaller diameter OEM
ULTRAPRO Six-Pack Fuel Hose Kit - Poly
Coil bracket
Mancini Racing Six Pack Coil Strap Mounting Bracket

Then add in the intake manifold that is t being made anymore.

If you run a RB (B series is $100 cheaper)
—-> Mancini Racing Six Pack Assembly - 413-440 Engines