Universal Dashpot. Its purpose is to prevent engine stalling on sudden deceleration Designed to be used on manual-transmission equipped vehicles. 7/16-inch-20 thread.
DASHPOT - Part number: HOL-114 - for American Cars - delivery to the UK and the EU
Manufacturer part number: 11-4 - DASHPOT carburetor-dash-pot
Package dimensions
Width: 5.00 inch Height: 2.00 inch Depth: 7.00 inch Weight: 0.11 lb