H4 Manifold Gasket used with: TDMK 2 TF TR2, TR3, and many others.
1 1/2" Diameter.
Triumph TR 2-4A Mechanical Fuel Pump
AUC 983R HS2 Carburetor
AUC 786 TR3 H6 Carburetor (Restored)
C24448 Mount
