Holley Die-Cast In-Line Fuel Pressure Regulator – Die Cast – 4-1/2 to 9 psi – 3/8 in NPT Inlet – 3/8 in NPT Outlet – 3/8 in Return – 1/8 in NPT Gauge Port – Bypass – Black Anodized – Gas

Holley does it again with their new die cast aluminum by pass style fuel pressure regulators. The same Holley quality that you expect at a price point that every budget can handle. 1/8″ NPT barb fitting for boost reference port included.

Features: Die Cast aluminum construction

3/8 NPT Inlet, Outlet, and Return ports

1/8 NPT Gauge Port

1/8″ NPT Boost Reference ” 1:1

SPECS: Brand: Holley

Color: Black

Emission Code: 3

Fuel System: Carbureted

Fuel Type: Gasoline

Inlet Size: 3/8 inch NPT

Material: Aluminum

Outlet Size: 3/8 inch NPT

Pressure Range: 4.5-9 PSI

Product Type: Regulator

Return Size: 3/8 inch NPT

Part Number: 12-887

Holley has been the undisputed leader in fuel systems for over 100 years. Holley carburetors powered every NASCAR Cup team and nearly every NHRA Pro-Stock champion for four decades. Now, Holley EFI products power these cars and are dominating the performance world. Holley products for GM’s popular LS engine are dominating the LS scene as well. Holley’s products also include performance fuel pumps, intake manifolds and engine dress-up products for street performance, race and marine applications. As a single solution or partnered with products from other Holley companies we can give you the edge you need over the competition!

Regulator is compatible with Diesel #1 and Diesel #2.

3/8″ NPT Inlet, Outlet, and Return ports

1/8″ NPT Gauge Port

1/8″ NPT Boost Reference – 1:1

Product Description:

Fuel Pressure Regulator

Die Cast

4-1/2 to 9 psi

In-Line

3/8 in NPT Inlet

3/8 in NPT Outlet

3/8 in Return

1/8 in NPT Gauge Port

Bypass

Aluminum

Black Anodized

Gas

Sold Individually

For over a century Holley has driven the cutting edge of fuel-system design. That work continues today through Holley’s market-leading EFI products as well as through Holley’s family of best-in-industry brands. Top brands like MSD, Flowmaster, Hurst, Accel, and many more make up the industry’s leading offering of enthusiast-driven products to deliver robust, complete performance solutions for builders, racers, and drivers. From propelling the LS-, Coyote-, and Gen 3 Hemi-swap trends, to continuously innovating late-model and vintage vehicle performance, Holley’s commitment to its customers and their cars is at the core of everything we do.