Retrofit Regulator Kit. Replace or install a regulator in your Holley Retrofit Fuel Pump Module.
Holley EFI 12-160 Replacement Regulator Kit
Holley EFI 12-878 Replacement Regulator Kit
Holley EFI Interface Module for Edelbrock EFI Kits
Holley EFI 300-134 LS EFI Manifold - 2x4 Dual Plane LS3/L92
Holley 553-111 HOLLEY EFI PRO DASH 12.300 in. @ Speed Tech
