Filter Regulator ASY - 8AN o-ring, 110 GPH, 10 Micron All die cast aluminum housing is both clear and black anodized for corrosion protection. #12-889 has -8AN o-ring ports. The new Holley EFI Filter Regulator assembly simplifies your installation by combining the fuel filter and regulator in one assembly that can be mounted in the rear of the vehicle.
