These are the small charcoal filters that sit in the inlet to the float chambers.  You should also order 2 of UD11425 when replacing

This is a kit containing all parts required to service one carburetor. The only component missing is the main needle part# (CD6080) this sold separately. 1966-1968 VIN 1001-6000 ONLY

This is the float chamber needle and seat kit. Note: 2 kits are required per car (Sold Each) 1966-1998 All models with SU Carburetors