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10 Best thread spark plug thread repair kits of 2026

Explore top picks
  • Best Choice

    1

    TIME-SERT® M12x1.25 Spark Plug Taper Seat Thread Repair kit p/n 4212H
    TIME-SERT
    9.9
    Exceptional

    TIME-SERT® M12x1.25 Spark Plug Taper Seat Thread Repair kit p/n 4212H

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  • Value for Money

    2

    ATD Tools 5410 Spark Plug Thread Repair Kit for Ford Triton , Black
    ATD
    9.7
    Exceptional

    ATD Tools 5410 Spark Plug Thread Repair Kit for Ford Triton , Black

  • 3

    CalVan Tools 38900 Two Valve Ford Triton Tool Kit - Foolproof Repair System, Spark Plug Thread Repair Kit. Tools and Equipment
    Cal-Van Tools
    9.5
    Excellent

    CalVan Tools 38900 Two Valve Ford Triton Tool Kit - Foolproof Repair System, Spark Plug Thread Repair Kit. Tools and Equipment

    • product dimensions: 1 x 1 x 1 inches
    • color: Multi
    • item weight: 2.1 pounds
    • batteries included: No
    • item model number: 38900

  • 4

    MARKETTY 38900 Two Valve Ford Triton Tool Kit, Foolproof Repair System, Spark Plug Thread Repair Kit Compatible with 4.6L, 5.4L and 6.8 V-10 Ford Triton Two Valve Engines (Black)
    MARKETTY
    9.2
    Excellent

    MARKETTY 38900 Two Valve Ford Triton Tool Kit, Foolproof Repair System, Spark Plug Thread Repair Kit Compatible with 4.6L, 5.4L and 6.8 V-10 Ford Triton Two Valve Engines (Black)

    • product dimensions:N/A
    • color:N/A
    • item weight: 3.45 pounds
    • batteries included:N/A
    • item model number: HHSXLTZ-Tools

  • 5

    LLNDEI Spark Plug Thread Repair Kit, 38900 Two Valve Ford Triton Tool Compatible, 16 PCS Spark Plug Thread Repair Kit for Repairing Ford 4.6L, 5.4L and 6.8V-10 Two Valve Engines
    LLNDEI
    9.0
    Excellent

    LLNDEI Spark Plug Thread Repair Kit, 38900 Two Valve Ford Triton Tool Compatible, 16 PCS Spark Plug Thread Repair Kit for Repairing Ford 4.6L, 5.4L and 6.8V-10 Two Valve Engines

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  • 6

    ABN Spark Plug Thread Repair Rethreading Set, 14mm Metric – Rethreading Tool Kit – Comprehensive Taps, Inserts, & More
    ABN
    8.8
    Very Good

    ABN Spark Plug Thread Repair Rethreading Set, 14mm Metric – Rethreading Tool Kit – Comprehensive Taps, Inserts, & More

    • product dimensions: 9.6 x 4.75 x 1.5 inches
    • color:N/A
    • item weight: 0.01 ounces
    • batteries included:N/A
    • item model number: ABN-2152

  • 7

    TIME-SERT M12x1.25 Spark Plug Thread Repair kit with Inserts p/n 4212-125
    TIME-SERT
    8.7
    Very Good

    TIME-SERT M12x1.25 Spark Plug Thread Repair kit with Inserts p/n 4212-125

  • 8

    DPTOOL Back Tap Spark Plug Thread Repair Tool 14mm 12mm 18mm 10mm 8mm M8 M10 M12 M14 M18 Thread Chase Tap Kit
    DPTOOL
    8.4
    Good

    DPTOOL Back Tap Spark Plug Thread Repair Tool 14mm 12mm 18mm 10mm 8mm M8 M10 M12 M14 M18 Thread Chase Tap Kit

  • 9

    Lisle 65200 Pro 14mm Plug Hole Repair Kit
    Lisle
    8.2
    Good

    Lisle 65200 Pro 14mm Plug Hole Repair Kit

  • 10

    TIME-SERT M10x1.0 Spark Plug Thread Repair kit with Inserts P/n 4010-103
    TIME-SERT
    8.1
    Good

    TIME-SERT M10x1.0 Spark Plug Thread Repair kit with Inserts P/n 4010-103

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