Spark Plug Gapper

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FuelTech USA

FTC 5017100309

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  • The FuelTech spark plug gapper is recommended for the adjustment of the distance between the center and ground electrodes.


Save time and precisely gap your spark plugs with our new billet spark plug gapping tool.

To use, simply place spark plug as shown in the picture and insert desired feeler gauge between ground strap and electrode. Turn knob clockwise until the ground strap is tightly pressed against the feeler gauge. Then turn knob counterclockwise to create space between tool and feeler gauge and remove spark plug.

Technical Description

  • Sturdy tool with threaded adjustment and standard fitting for spark plugs.
  • Black anodized aluminum body with engraved FuelTech logos.
  • Hardened steel grip and thread ensuring high resistance and durability.
  • The steel surface that touches the spark plug may oxidize on contact with water.
  • If exposed to moisture, it is suggested to dry it with compressed air and apply lubricant.
  • Compatible with NGK 6061, NGK 5671A, NGK BKR9EIX and similar spark plugs.
  • Not compatible with 18mm thread and longer style spark plugs.
Dimensions: 5.82" x 1.25" x 1.25"
Weight: 9.87oz

    Returns Policy

    --PLEASE NOTE: MOST ORDERS ARE SUBJECT TO RESTOCK OR CANCELATION FEE. PLEASE CALL OUR OFFICE FOR DETAILS AND EXCEPTIONS-- You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

    You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

    If you need to return an item, simply login to your account, view the order using the 'Complete Orders' link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.


    We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

    When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

    Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.

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