Dual quad 2x4 progressive linkage kit for 1850 style Holley carbs

Description

Dual quad 2x4 progressive linkage for 1850 style Holley carbs, but may work on others too..  These are designed in a way that you will have the large hole on both carbs for throttle and transmission kick down linkage or whatever you need them for.  Included in the kit will be:
1 Main mounting bracket
1 Fulcrum
2 10-32 x 5 Studs
4 10-32 Round clevis
1 Large nylon washer
2 Medium nylon washers
2 Small nylon washers
2 10-32 Nuts
6 1/4 Stainless steel flat washers
1 1/4-28 x 3/4 Hex grade 8 bolt
1 1/4-28 Lock nut
4 Hairpin clips
Detail sheet with pictures and instructions
These have been yellow zinc plated to resist rusting and so they will look good installed on your engine.  I have a set on my own 454 and it works great.