Regulator Rebuild Kit for 12-841,12-842, 12-881, and 12-887 By-Pass Regulators. Includes complete diaphragm, spring and rebuild instructions.

Features:
  • Fuel Pressure regulator rebuild kit for Holley 12-841,12-842, 12-881, and 12-887 fuel pressure regulators
  • Includes diaphragm and spring
  • More From This Category

    Quick Fuel Throttle Lever Stud, GM Short-style, 5/16 in. Diameter, For Chevrolet, Each

    Quick Fuel Throttle Lever Stud, GM Short-style, 5/16 in. Diameter, For Chevrolet, Each

    $20.29