Replacement diaphragms for Malpassi dual diaphragm fuel injection pressure regulators. Two versions are available:
RA026: This fits the RPR001 and RPR002 motorsport regulators with two black plastic separators and a black top
RA031: This fits the 1.7:1 rising rate PBV (power boost valve) style regulators with two plastic separators and a silver cast aluminium top.




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