Replacement fuel pressure regulator diaphragm repair kit for Holley 12-803 and 12-804 fuel pressure regulators.

Features:
  • Diaphragm repair kit for 12-803 or 12-804 fuel pressure regulators
  • Includes diaphragm, low and high pressure springs
  • More From This Category

    Nitrous Express Fuel Pressure Gauge (0-100 Psi W/Manifold)

    Nitrous Express Fuel Pressure Gauge (0-100 Psi W/Manifold)

    $130.37

    Quick Fuel EFI Reg and Filter 58PSI

    Quick Fuel EFI Reg and Filter 58PSI

    $315.13

    TURBOSMART FPR10 Fuel Pressure Regulator, For -10AN, Purple, Each

    TURBOSMART FPR10 Fuel Pressure Regulator, For -10AN, Purple, Each

    $300.09