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    SPC Performance Steering Knuckle Spreader Tool | 37975

    Part Number: 37975
    Regular Price $76.99

    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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    The SPC Performance 37975 steering knuckle spreader safely and easily expands steering knuckles for ball joint service. Pry bars can gouge or damage the knuckle, but this tool spreads the knuckle in a controlled way using the adjustment nut. Its operating range fits most makes and models.

    • Type: Steering knuckle spreader service tool
    • Use: safe controlled knuckle expansion for ball joint work
    • Operating range: 4.4 to 10 mm
    • Fitment: universal, fits most makes and models
    • Construction: steel, black oxide
    • Sold each
    • Part number: 37975

    FAQ

    What does the SPC 37975 steering knuckle spreader do?

    It safely expands steering knuckles using an adjustment nut, avoiding the knuckle damage that pry bars can cause.

    What range does the 37975 spreader cover?

    It operates within a 4.4 to 10 mm range and fits most makes and models.

    Is the SPC 37975 vehicle specific?

    No. It is a universal service tool that fits most makes and models within its operating range.

    How is the knuckle expanded with this tool?

    The tool adjustment nut is turned to spread the knuckle in a controlled way, protecting the knuckle from damage.

    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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