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    Sale!

    Holley Small Block Chevy Mid-Mount Complete Accessory System, Black Finish, 150-Amp Alternator | 20-240BK

    Vendor: Holley
    Part Number: 20-240BK
    Save $278
    Sale Price $2,219.95 Regular Price $2,497.95

    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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    Holley's Small Block Chevy Mid-Mount Complete Accessory System eliminates traditional accessory brackets with a bracketless design where accessories bolt directly to the water pump. The system includes a 150-amp Holley-designed alternator using 6-phase technology like the C7 Corvette, a matching water pump, an SD7 A/C compressor, and a Type II power steering pump with baffled reservoir.

    Specifications:

    • Accessory Drive Style: Mid-Mount
    • A/C Compressor: SD7, included
    • Alternator: 150 amps, included
    • Power Steering: Pump, hardline, pulley, and reservoir included
    • Water Pump: Included, with pulley and water neck
    • Belt & Tensioner: Included
    • Material: Cast Aluminum
    • Finish: Black
    • Application: Chevrolet Small Block (Gen I)
    • Part Number: 20-240BK

    The power steering pump included can be used with Hydroboost systems; refer to the flow specs on part number 198-101.

    FAQ

    What's included in this kit?

    The water pump, A/C compressor, 150-amp alternator, and power steering pump with reservoir, plus all pulleys, belt, A/C line adapter, heater hose adapters, power steering to -6 AN hardline, and the alternator plug/harness.

    What engines is this for?

    Small block Chevrolet (Gen I) engines.

    What finish is this system?

    Black finish (a natural finish is also available).

    Can the power steering pump run a Hydroboost system?

    Yes; refer to the flow specs on part number 198-101.

    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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