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    • LS High-Mount A/C Accessory Drive Kit Includes SD508 A/C Compressor, Tensioner, & Pulleys Passenger's Side A/C Bracket Includes SD508 A/C Compressor, Tensioner, & Pulleys Holley
    • LS High-Mount A/C Accessory Drive Kit Includes SD508 A/C Compressor, Tensioner, & Pulleys Passenger's Side A/C Bracket Includes SD508 A/C Compressor, Tensioner, & Pulleys Holley
    • LS High-Mount A/C Accessory Drive Kit Includes SD508 A/C Compressor, Tensioner, & Pulleys Passenger's Side A/C Bracket Includes SD508 A/C Compressor, Tensioner, & Pulleys Holley
    • LS High-Mount A/C Accessory Drive Kit Includes SD508 A/C Compressor, Tensioner, & Pulleys Passenger's Side A/C Bracket Includes SD508 A/C Compressor, Tensioner, & Pulleys Holley
    • LS High-Mount A/C Accessory Drive Kit Includes SD508 A/C Compressor, Tensioner, & Pulleys Passenger's Side A/C Bracket Includes SD508 A/C Compressor, Tensioner, & Pulleys Holley
    • LS High-Mount A/C Accessory Drive Kit Includes SD508 A/C Compressor, Tensioner, & Pulleys Passenger's Side A/C Bracket Includes SD508 A/C Compressor, Tensioner, & Pulleys Holley
    Sale!

    Holley LS High-Mount A/C Accessory Drive Kit, SD508 Compressor, Tensioner & Pulleys | 20-141

    Vendor: Holley
    Part Number: 20-141
    Save $125
    Sale Price $999.95 Regular Price $1,124.95

    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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    This complete high-mount A/C accessory drive kit for GM LS engines moves the compressor up and away from the frame rail, eliminating the need for frame notching. It includes the compressor, pulleys, and tensioner sourced from OE suppliers used on production vehicles today.

    Specifications:

    • Brand: Holley
    • Category: Belts and Cooling
    • Engine: GM Gen III/IV (LS)
    • Accessory Drive Style: High-Mount
    • A/C Compressor Type: SD508
    • Tensioner Included: Yes
    • Finish: Cast
    • Material: Cast Aluminum
    • Pulley Style: Serpentine
    • Part Number: 20-141

    This bracket requires an installation kit for assembly (part 21-1, 21-2, or 21-3, depending on belt alignment) — see the instruction sheet for the correct kit for your application. For LS engine swaps, also check your specific body-style engine mount kit for additional fitment requirements.

    FAQ

    What's included in this kit?

    An SD508 A/C compressor, tensioner assembly with grooved pulley, idler pulley, and the passenger-side LS A/C bracket.

    Do I need anything else to install this?

    Yes, an installation kit (part 21-1, 21-2, or 21-3) is required for assembly — the correct one depends on your belt alignment.

    What engines does this fit?

    GM Gen III/IV (LS) engines.

    What is the part number?

    Holley part number 20-141.

    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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