Our Stocked Spark Plugs Work With Our Wiring For An Operational Restoration.

We carry various spark plugs from Autolite, A-C, Champion, and Motorcraft. We carry plug threading for 1/2”Pipe, 7/8 SAE”, 10mm, 14mm, 14mm (Military) and 18mm. These spark plugs supplement our various other ignition wiring harnesses selection.

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    Auburn Spark Plug #I-31 (14mm)

    $32.75
  • #I-64-4, Auburn Spark Plug (1/2”)

    Auburn Spark Plug #I-64-4 (1/2”)

    $48.75
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    Brass Spark Plug Thumbnut

    $0.83
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    Brass Spark Plug Thumbnut (M4)

    $0.83
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    Large Brass Spark Plug Thumbnut

    $0.83
  • #M8, AC Delco Spark Plug (10mm)

    M8, AC Delco Spark Plug (10mm)

    $4.75
  • R44XLS, AC Delco Spark Plug, 14mm thread

    R44XLS, AC Delco Spark Plug, 14mm thread

    $5.75
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    R45XLS, AC Delco Spark Plug (14mm)

    $3.00
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    Spark Plug Adapter (1/2” Pipe to 14mm)

    $10.75
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    Spark Plug Adapter (18mm to 14mm)

    $13.50
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    Spark Plug Adapter (3/4” Pipe TO 1/2” Pipe)

    $11.75
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    Spark Plug Adapter (7/8” To 14mm)

    $15.50

Personal Customer Service, Worldwide Shipping, And Limited Warranties Give Peace Of Mind.

When you shop with The Brillman Company, we supply all those hard-to-find parts and the ones that complement them for a complete solution. Our mission is to provide quality American-made wiring solutions for the worldwide antique tractor and automotive restoration community. Our dedication to personal customer service and extensive parts production meet your restoration wiring needs across applications. We ship worldwide daily at competitive shipping rates. Our warranties vary with the products, and terms and conditions apply.

Our Free Downloadable Catalog Gives You More Products To Consider.

Our catalog is updated regularly to bring you complete wiring solutions for your antique tractor and automotive restorations. Our ever-growing collection of quality wiring harnesses, battery cables, spark plug wire sets, and ignition/electrical parts are made in our Virginia facility or stocked for your convenience. We send complimentary hard copies of each edition of our catalog to our wholesalers and anyone who requests one.

Got Restoration Product Questions? Check With Us For Answers!

We post our Frequently Asked Questions with quick answers for at-a-glance information. During business hours, give our people a call to help with restoration decisions, selecting parts, and placing orders. Our fabrication methods are original, with some material and design upgrades available to improve performance and durability. Contact us to outfit your antique tractor or automotive restoration with the right parts.

Get In Touch Today About Our Quality American-Made Spark Plugs!