Regulator Rebuild Kit for 1 bbl, 2 bbl, & 4 bbl Holley TBI regulators.

Holley's regulator rebuild kits include everything needed to rebuild your billet fuel pressure regulator back to new.

Includes diaphragm assembly, gaskets and rebuild instructions.

Features:
  • Replacement fuel pressure regulator diaphragm
  • Fits 1bbl, 2bbl, and 4bbl Pro-Jection Throttle bodies
  • Regulator Rebuild Kit for 1 bbl, 2 bbl, & 4 bbl Holley TBI regulators.

    Holley's regulator rebuild kits include everything needed to rebuild your billet fuel pressure regulator back to new.

    Includes diaphragm assembly, gaskets and rebuild instructions.

    Features:
  • Replacement fuel pressure regulator diaphragm
  • Fits 1bbl, 2bbl, and 4bbl Pro-Jection Throttle bodies