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    • 170+ GPH Mechanical Fuel Pump Street/strip Carbureted Applications Fits Big Block Chevy V8s Compatible with Gasoline Holley
    • 170+ GPH Mechanical Fuel Pump Street/strip Carbureted Applications Fits Big Block Chevy V8s Compatible with Gasoline Holley
    • 170+ GPH Mechanical Fuel Pump Street/strip Carbureted Applications Fits Big Block Chevy V8s Compatible with Gasoline Holley
    • 170+ GPH Mechanical Fuel Pump Street/strip Carbureted Applications Fits Big Block Chevy V8s Compatible with Gasoline Holley
    • 170+ GPH Mechanical Fuel Pump Street/strip Carbureted Applications Fits Big Block Chevy V8s Compatible with Gasoline Holley
    • 170+ GPH Mechanical Fuel Pump Street/strip Carbureted Applications Fits Big Block Chevy V8s Compatible with Gasoline Holley
    • 170+ GPH Mechanical Fuel Pump Street/strip Carbureted Applications Fits Big Block Chevy V8s Compatible with Gasoline Holley
    • 170+ GPH Mechanical Fuel Pump Street/strip Carbureted Applications Fits Big Block Chevy V8s Compatible with Gasoline Holley
    • 170+ GPH Mechanical Fuel Pump Street/strip Carbureted Applications Fits Big Block Chevy V8s Compatible with Gasoline Holley
    • 170+ GPH Mechanical Fuel Pump Street/strip Carbureted Applications Fits Big Block Chevy V8s Compatible with Gasoline Holley
    Sale!

    Holley 170+ GPH Mechanical Fuel Pump, Chevrolet Big Block, 8AN O-Ring Ports | 12-454-20

    Vendor: Holley
    Part Number: 12-454-20
    Save $33
    Sale Price $259.95 Regular Price $292.95

    Available to order. In-stock orders typically ship in 1 to 2 business days.

    Not sure it fits your vehicle?
    Email sales@berryperformancesales.com with your year, make, model and engine, and we'll help you check fitment before you order.
    Fast Fulfillment: In-stock orders typically ship within 1 to 2 business days.
    Free Shipping on Orders Over $99 | Excludes freight shipments
    International Shipping Available: email sales@berryperformancesales.com for a quote.
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    Whether the build calls for a street performance or all-out race mechanical fuel pump, Holley's mechanical pump lineup covers 80 to 225+ GPH for most engine setups. This 170+ GPH pump is built for Chevrolet Big Block V8s running on gasoline in street/strip carbureted applications.

    Specifications:

    • Application: Chevrolet Big Block
    • Category: Air and Fuel Delivery
    • Free Flow Rate: 170 GPH / 644 LPH
    • Fuel Type: Gasoline
    • Material: Aluminum
    • Finish: Silver
    • Inlet: 8AN O-Ring, 3/4-16 SAE / 8AN ORB
    • Outlet: 8AN O-Ring, 3/4-16 SAE / 8AN ORB
    • Shutoff Pressure: Pre-set at 8 psi
    • Product Type: Mechanical Fuel Pump
    • Sub Category: Fuel Pumps and Related Components
    • Warranty: Manufacturer's Limited 90 Day Warranty
    • Part Number: 12-454-20

    A fuel pressure regulator is required (Holley recommends P/N 12-704); inlet and outlet fittings are not included. The fuel body casting can be rotated to accommodate various plumbing situations.

    FAQ

    What vehicles is this fuel pump designed for?

    It's built for Chevrolet Big Block V8s in street/strip carbureted applications running on gasoline.

    How much fuel does it flow?

    170+ GPH (644+ LPH) free flow.

    Do I need a separate fuel pressure regulator?

    Yes, a fuel pressure regulator is required; Holley recommends P/N 12-704.

    Are inlet and outlet fittings included?

    No, fittings are not included. The pump uses 8AN O-ring (3/4"-16) inlet and outlet ports.

    Can the pump body be repositioned for different plumbing setups?

    Yes, the fuel body casting can be rotated to accommodate various plumbing situations.

    Shipping Policy
    • Free shipping on orders over $99 (excludes freight shipments).
    • In-stock orders typically ship within 1 to 2 business days. Weekend and holiday orders are processed the next business day.
    • Orders ship from Defiance, Ohio and a nationwide network of warehouses and manufacturers.
    • Items showing an ETA are not in stock yet. ETAs come from the manufacturer and can change.
    • No P.O. Boxes. International orders need a shipping quote, so email us first.

    Read the full Shipping Policy

    Return Policy
    • 30-day return window from the ship date. Returns must be approved first; email sales@berryperformancesales.com with your order number.
    • Items must be unused, complete and in the original packaging.
    • A 20% restocking fee applies, and return shipping is paid by the buyer.
    • Not returnable: installed or modified parts, opened or used programmers and tuners, custom orders, Open Box, and Clearance or Final Sale items.
    • Damaged, defective or incorrect items must be reported within 48 hours of delivery with photos.

    Read the full Return Policy

    Disclaimer

    All products are sold for off-road use only unless otherwise specified. Buyer assumes all responsibility for installation and operation. Seller is not liable for any incidental, indirect, or consequential damages — including engine failure, labor costs, or vehicle downtime — resulting from the use of any product sold.

    By making a purchase from Berry Performance Sales, you acknowledge and agree to abide by the terms and conditions of these Policies.

    For any questions or concerns, please contact us — we’re always happy to help.

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