
12-878 EFI Fuel Filter Regulator Rebuild Kit For 12-875 & 12-876 Regulator
Holley 12-878 Features:
A 175 GPH 10 Micron filter and a regulator preset at 59.5 psi.Replacement Regulator for:Filter Regulators: 12-875, 12-876, 12-888, 12-889, 30-201QFTSniper's: 4150, 2300, BBD, 2GC, Autolite 1100and Muscle Car Modules- Replacement Regulator Kit for EFI Regulators and Sniper EFI throttle bodies.
Emissions Note:
This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.
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Holley continues to innovate products that make the life of a hot rodder easier! Inline fuel filter and bypass pressure regulator simplifies routing your fuel supply line to the EFI fuel rails. Easily mounting the filter/regulator in the rear of the vehicle will make running a return line much shorter. The aluminum assembly contains a 175 GPH, 10 Micron filter and a regulator preset at 59.5 psi. The filter regulator comes in 3/8 in. NPT or -8 AN O-ring port sizes to match most EFI fuel systems.
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Features:
- Available in billet or die-cast aluminum
- Clear and black anodized finish
- Simplify your EFI fuel system plumbing
- Internal regulator is preset at 59.5 psi
- Includes a 175 GPH, 10-Micron filter
- Available in two port sizes - 3/8 in. NPT or -08 AN O-Ring Ports
- Can be mounted in the rear of the vehicle making for easier return line routing

