Description
For 1 bbl/2 bbl/4 bbl TBI Pro-Jection Systems
Holley EFI – Fuel Pressure Regulator Diaphragm P/N 512-1 Features:
- Replacement Fuel Pressure Regulator Diaphragm
- Fits 1BBL 2BBL and 4BBL Pro-Jection Throttle Bodies

Original price was: $75.75.$22.73Current price is: $22.73.
For 1 bbl/2 bbl/4 bbl TBI Pro-Jection Systems