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Tillotson Fuel Pump Plate for the High Volume or what is called a
Double or Alky Stack is the middle plate of the three high volume
Tillotson reengineered the Standard Volume Pump Stacks,
adding an additional plate and redesigned
the layout of the plates to support more fuel volume. Therefore, the
gaskets and diaphragms are also different.
is common for carburetors to be converted to Methanol(alky) for
racing applications. You will need a complete high volume pump stack
and either a P6-MDG Gasket/Diaphragm Kit or a P8-MRK Rebuild Kit for
HL and HW Carburetors or P7-MRK Rebuild Kit for HR Carburetors.
HL-339A,HL-341A,HL-342A,HL-348A,B,C,D,E, HL-355A,B,C,D,E, HL-360B,C,
HL-380A,B HR-181B, HR-184A, HR190A, HR-191C, HR-191G, HR-196A