Regulator Rebuild Kit for 12-848, and 12848ERL Billet Regulators. Holley's regulator rebuild kits include everything needed to rebuild your billet fuel pressure regulator back to new. Includes diaphragm assembly, pressure spring and rebuild instructions.
Features:
- Fuel Pressure regulator rebuild kit for Holley 12-848 & 12848ERL regulators
- Includes diaphragm and spring