The Moroso throttle return spring kit is made for 4500 Dominator and King Demon carburetor mounts and supplies the return springs for carburetor-throttle linkage. Intended specifically for those carburetor families, the kit helps restore proper throttle return action on 4500-series Dominator and King Demon installations where replacement return springs are required for the carburetor mount.
Moroso 4500 Dominator/King Demon Throttle Return Spring Kit - Carburetor Mount