Throttle Stop with Indexable Cable Pulley https://www.efihardware.com/products/2727/Throttle-Stop-with-Indexable-Cable-Pulley
Full Throttle Stop with Return Spring, Adjustable Idle Stop and Fully Indexable Eccentric Cable Pulley and Solderless Cable Nipple.
Supplied with both Left and Right hand Springs for extremely flexible installation.