Screw, Bi-Metallic Lever (1042-0046)

Bi-Metallic Lever Screw. Fits SU Eliminator 1 & 2. The bi-metallic lever in the SU 1 & 2 Eliminator carburetter is to fitted to respond to changes in temperature and how this alters the viscosity of fuel. As the temperature rises the jet will move vertically upwards and when it cools it will lower itself. This will help improve drivability and exhaust emissions can be kept within closer limits during cold starting and the warming up period.