Skip to Product Info
    • 97-210_0119310.jpg
    • 97-210_0219310.jpg
    • 97-210_0319310.jpg
    • 97-210_0419310.jpg
    • 97-210_0519310.jpg
    • Adapter, LT Engine BLOCK WATER to -10AN MALE Holley
    • Adapter, LT Engine BLOCK WATER to -10AN MALE Holley
    • Adapter, LT Engine BLOCK WATER to -10AN MALE Holley
    • Adapter, LT Engine BLOCK WATER to -10AN MALE Holley
    • Adapter, LT Engine BLOCK WATER to -10AN MALE Holley
    Sale!

    Holley LT Engine Block Water Adapter, -10AN Male to 28mm x 1.25, Zinc Plated | 97-210

    Vendor: Holley
    Part Number: 97-210
    Save $2.08
    Sale Price $16.63 Regular Price $18.71

    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.
    Payment & Security

    Secure, encrypted checkout. Card details go straight to the payment processor and are never stored by us.

    • Amazon
    • Amazon
    • American Express
    • Apple Pay
    • Diners Club
    • Discover
    • Google Pay
    • Mastercard
    • PayPal
    • Shop Pay
    • Venmo
    • Visa
    Share to:

    This adapter connects the GM LT engine water passage to a -10AN male fitting, letting builders run AN-style coolant lines off the block's factory water outlet.

    Specifications:

    • Adapter Type: Water Neck
    • AN Size: -10 AN Male
    • Adapter Port Size: 28mm x 1.25
    • Finish: Zinc Plated
    • Includes: Crush Washer
    • Category: Engine
    • Part Number: 97-210

    The adapter is designed for GM LT-family engine blocks and provides an easy way to convert the coolant lines to -10 AN.

    FAQ

    What does the 97-210 adapter fit?

    It threads into the GM LT engine block's factory water passage.

    What fitting size does it convert to?

    It converts the LT water passage to a -10 AN male fitting.

    What finish does the adapter have?

    It's zinc plated for corrosion resistance.

    Does it include a crush washer?

    Yes, a crush washer is included for a proper seal.

    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.

    Recently Viewed