Retrofit Regulator Kit. Retrofit Regulator Kit. Replace or install a regulator in your Holley Retrofit Fuel Pump Module.
12-160 Holley EFI Replacement Regulator Kit
Holley EFI 12-160 Replacement Regulator Kit
Holley EFI 12-878 Replacement Regulator Kit
Holley EFI Interface Module for Edelbrock EFI Kits