Description
Screw & Spring, Idle Screw & Spring, S.U. Carburettors
The Knurled SU Idle Screw allows you to fine tune your idle without having to reach for a screwdriver. Made specifically for the SU carburetor this was ORIGINALLY Fitted to ALL PRE 1955 Carbs
Morris Part Numbers; 35823 (screw) 35384 (spring)
SU Screw only part number: AUC 1521