• 20-135cadlarge.jpg
  • 20-135bk_01.jpg
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  • 20-135paintlarge.jpg
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  • highaccdrv18107.jpg
  • LS/LT High-Mount Accessory Drive Bracket Black Driver's Side P/S & Alt Bracket for Applications Without A/C or Using Factory A/C Bracket Holley
  • LS/LT High-Mount Accessory Drive Bracket Black Driver's Side P/S & Alt Bracket for Applications Without A/C or Using Factory A/C Bracket Holley
  • LS/LT High-Mount Accessory Drive Bracket Black Driver's Side P/S & Alt Bracket for Applications Without A/C or Using Factory A/C Bracket Holley
  • LS/LT High-Mount Accessory Drive Bracket Black Driver's Side P/S & Alt Bracket for Applications Without A/C or Using Factory A/C Bracket Holley
  • LS/LT High-Mount Accessory Drive Bracket Black Driver's Side P/S & Alt Bracket for Applications Without A/C or Using Factory A/C Bracket Holley
  • LS/LT High-Mount Accessory Drive Bracket Black Driver's Side P/S & Alt Bracket for Applications Without A/C or Using Factory A/C Bracket Holley
  • LS/LT High-Mount Accessory Drive Bracket Black Driver's Side P/S & Alt Bracket for Applications Without A/C or Using Factory A/C Bracket Holley
    • 20-135cadlarge.jpg
    • 20-135bk_01.jpg
    • 20-135nopaintlarge.jpg
    • 20-135paintlarge.jpg
    • fitmentmatrix.jpg
    • highaccdrv18107.jpg
    • LS/LT High-Mount Accessory Drive Bracket Black Driver's Side P/S & Alt Bracket for Applications Without A/C or Using Factory A/C Bracket Holley
    • LS/LT High-Mount Accessory Drive Bracket Black Driver's Side P/S & Alt Bracket for Applications Without A/C or Using Factory A/C Bracket Holley
    • LS/LT High-Mount Accessory Drive Bracket Black Driver's Side P/S & Alt Bracket for Applications Without A/C or Using Factory A/C Bracket Holley
    • LS/LT High-Mount Accessory Drive Bracket Black Driver's Side P/S & Alt Bracket for Applications Without A/C or Using Factory A/C Bracket Holley
    • LS/LT High-Mount Accessory Drive Bracket Black Driver's Side P/S & Alt Bracket for Applications Without A/C or Using Factory A/C Bracket Holley
    • LS/LT High-Mount Accessory Drive Bracket Black Driver's Side P/S & Alt Bracket for Applications Without A/C or Using Factory A/C Bracket Holley
    • LS/LT High-Mount Accessory Drive Bracket Black Driver's Side P/S & Alt Bracket for Applications Without A/C or Using Factory A/C Bracket Holley
    Sale!

    Holley LS/LT High-Mount Accessory Drive Bracket, Driver's Side P/S & Alt, Black | 20-135BK

    Vendor: Holley
    Part Number: 20-135BK
    Save $41
    $323.95 $364.95

    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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    Product DetailsFAQReviewsRelated Products

    This Holley high-mount accessory drive bracket delivers a factory-style appearance with correct belt alignment for GM LS/LT engine swaps, using commonly available and affordable GM alternators and power steering pumps. This driver's side bracket carries the power steering and alternator and is intended for applications without A/C or using the factory A/C bracket, finished in black.

    Specifications:

    • Accessory Drive Style: High-Mount
    • Engine: GM Gen III/IV (LS)
    • Finish: Black
    • Material: Cast Aluminum
    • Part Number: 20-135BK

    May require an application-specific installation kit (21-2 or 21-3) — see Holley's fitment guide for details on your setup.

    FAQ

    What is the Holley 20-135BK bracket used for?

    It's the driver's side power steering and alternator bracket for Holley's High-Mount LS/LT accessory drive system, for applications without A/C or using the factory A/C bracket.

    Does the 20-135BK require an installation kit?

    It may require an application-specific installation kit (21-2 or 21-3) — check Holley's fitment guide for your setup.

    What finish is the 20-135BK?

    Black cast aluminum.

    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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