Here is a LANG TU-18C Universal Top Dead Center (TDC) whistle with spark. plug threads. The whistle is attached to a hose with 14mm and 18mm spark. The overall length is 27-1/2″. Screw it into a spark plug hole and.
Here is a LANG TU-18C Universal Top Dead Center (TDC) whistle with spark. plug threads. The whistle is attached to a hose with 14mm and 18mm spark. The overall length is 27-1/2″. Screw it into a spark plug hole and.