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    S/S Flat Washer - 5/16 ID x .657 OD(1) - AGW655

    S/S Flat Washer - 5/16 ID x .657 OD(1) - AGW655

    $17.99 USD
    $17.99 USD
    Sale Out of stock
    Shipping calculated at checkout.
    • Ships direct from the brand or supplier
    • Tracking emailed when it ships
    • Free fitment check before you order

    Enhance the reliability of your automotive projects with the ARP S/S Flat Washer. Designed for optimal performance, this flat washer is a crucial component for securing fasteners in place.

    • Durable Stainless Steel Construction: Offers excellent resistance to corrosion, ensuring longevity and reliability in various environments.
    • Precision Engineering: The 5/16 ID and .657 OD design provide a perfect fit, minimizing the risk of loosening under vibration.
    • Lightweight Design: Weighing only 0.007 lbs, these washers are easy to handle without compromising strength.
    • Versatile Application: Ideal for a variety of automotive and industrial applications, enhancing the overall integrity of your assembly.

    With ARP's commitment to quality, these fasteners are a trusted choice for both professionals and DIY enthusiasts alike.

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    Before you order: fitment and what to plan

    Fittings and hardware connect lines, hoses and parts securely.

    Fitment notes

    • Specs, lead time and warranty come from the manufacturer and supplier and can change. The details above this guide are the latest we have.

    Not sure it fits? Send us your year, make, model, engine and trim and we'll check before you order.

    Ask about fitment

    Plan the whole job

    • Hose. Match hose size to the fitting.

    More for your car: Fuel & air intake

    Questions about fitting or hardware

    Will this fit my car?
    Check the title and details above for the vehicles and part number it is listed for. If you are not sure, contact us with your year, make, model, engine and trim and we will confirm fitment before you order.
    Does it need thread sealant?
    NPT threads do; AN and flare fittings seal on the flare and should go on dry.
    Where do specs and warranty details come from?
    From the manufacturer. Each brand sets its own specs, lead times and warranty terms, and they can change. The product details above are the latest we have.