SU Carburettor HS Jet Bearing Kit for BIAS needles Fine thread [later specs] [WZX1442]

SU Carburettor HS Jet Bearing Kit for BIAS needles Fine thread [later specs]    P/N WZX1442

As used in:

HS2; HS4;HS6 SU carburettors

This fine thread version was introduced to obtain more precise jet adjustments with the advent of emmission controls.

This Jet Bearing has a much finer thread than the original and must be used as a complete unit

Original unit here:.

NOT for HS8 applications