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Helicoil

Helicoil

Helicoil is a globally recognized brand specializing in precision thread repair systems for motorcycle and powersports applications. Its thread inserts and repair kits are designed to restore damaged threads with accurate fitment and long-lasting reliability. Commonly used in engine, transmission and chassis components, Helicoil solutions support professional maintenance and repair work. Builders and technicians rely on Helicoil for consistent results and dependable thread restoration.


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  • V-Twin - 16-0946 - Thread Insert for Multiple Applications V-Twin - 16-0946 - Thread Insert for Multiple Applications

    V-Twin - 16-0946 - Thread Insert for Multiple Applications

    Helicoil

    MSRP: $27.22
    $25.44
    V-Twin - 16-0946 - Thread Insert for Multiple ApplicationsDescriptionHeli-Coil thread inserts only for special thread series with thread size of 3/8" X 24 and a length of .562". Includes 12 inserts,...
    MSRP: $27.22
    $25.44
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $27.22
    $25.44
    Subtotal:
  • V-Twin - 16-0945 - Thread Insert for Multiple Applications V-Twin - 16-0945 - Thread Insert for Multiple Applications

    V-Twin - 16-0945 - Thread Insert for Multiple Applications

    Helicoil

    MSRP: $25.40
    $23.74
    V-Twin - 16-0945 - Thread Insert for Multiple ApplicationsDescriptionHeli-Coil thread inserts only for special thread series with thread size of 3/8" X 16 and a length of .562". Includes 12 inserts,...
    MSRP: $25.40
    $23.74
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $25.40
    $23.74
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  • V-Twin - 16-0944 - Thread Insert for Multiple Applications V-Twin - 16-0944 - Thread Insert for Multiple Applications

    V-Twin - 16-0944 - Thread Insert for Multiple Applications

    Helicoil

    MSRP: $23.94
    $20.34
    V-Twin - 16-0944 - Thread Insert for Multiple ApplicationsDescriptionHeli-Coil thread inserts only for special thread series with thread size of 1/4" X 20 and a length of .375". Includes 12 inserts,...
    MSRP: $23.94
    $20.34
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $23.94
    $20.34
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  • V-Twin - 16-0943 - Thread Repair Kit for Multiple Applications V-Twin - 16-0943 - Thread Repair Kit for Multiple Applications

    V-Twin - 16-0943 - Thread Repair Kit for Multiple Applications

    Helicoil

    MSRP: $79.83
    $71.85
    V-Twin - 16-0943 - Thread Repair Kit for Multiple ApplicationsDescriptionThread repair kit is for cam cover screw, tappet guide, oil pump stud, timer, and mounting threads. Thread size is 3/8" x 24...
    MSRP: $79.83
    $71.85
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $79.83
    $71.85
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  • V-Twin - 16-0942 - Thread Repair Kit for Multiple Applications V-Twin - 16-0942 - Thread Repair Kit for Multiple Applications

    V-Twin - 16-0942 - Thread Repair Kit for Multiple Applications

    Helicoil

    MSRP: $46.50
    $45.19
    V-Twin - 16-0942 - Thread Repair Kit for Multiple ApplicationsDescriptionThread repair kit is for cam cover screw, tappet guide, oil pump stud, timer, and mounting threads. Thread size is 3/16" x 16...
    MSRP: $46.50
    $45.19
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $46.50
    $45.19
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  • V-Twin - 16-0941 - Thread Repair Kit for Multiple Applications V-Twin - 16-0941 - Thread Repair Kit for Multiple Applications

    V-Twin - 16-0941 - Thread Repair Kit for Multiple Applications

    Helicoil

    MSRP: $46.50
    $45.19
    V-Twin - 16-0941 - Thread Repair Kit for Multiple ApplicationsDescriptionThread repair kit is for cam cover screw, tappet guide, oil pump stud, timer,and mounting threads. Thread size is 1/4" x 20...
    MSRP: $46.50
    $45.19
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $46.50
    $45.19
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  • V-Twin - 16-0937 - Thread Insert for Big Twin Transmission Cover V-Twin - 16-0937 - Thread Insert for Big Twin Transmission Cover

    V-Twin - 16-0937 - Thread Insert for Big Twin Transmission Cover

    Helicoil

    MSRP: $23.94
    $20.34
    V-Twin - 16-0937 - Thread Insert for Big Twin Transmission CoverDescriptionHeli-Coil thread inserts only for Big Twin transmission cover with locking insert and thread size of 5/16" x 18 and length...
    MSRP: $23.94
    $20.34
    Qty in Cart: 0
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    MSRP: $23.94
    $20.34
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  • V-Twin - 16-0936 - Thread Insert for Case Bolt and Generator V-Twin - 16-0936 - Thread Insert for Case Bolt and Generator

    V-Twin - 16-0936 - Thread Insert for Case Bolt and Generator

    Helicoil

    MSRP: $23.94
    $20.34
    V-Twin - 16-0936 - Thread Insert for Case Bolt and GeneratorDescriptionHeli-Coil thread inserts only for case bolt and generator with thread size of 5/16" X 24 and length of .469". Includes 12...
    MSRP: $23.94
    $20.34
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $23.94
    $20.34
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  • V-Twin - 16-0935 - Thread Insert for Timing Plug V-Twin - 16-0935 - Thread Insert for Timing Plug

    V-Twin - 16-0935 - Thread Insert for Timing Plug

    Helicoil

    MSRP: $34.49
    $32.24
    V-Twin - 16-0935 - Thread Insert for Timing PlugDescriptionHeli-Coil thread inserts only for timing plug with thread size of 5/8" x 18 and a length of .325". Includes 6 inserts, drill size 41.64...
    MSRP: $34.49
    $32.24
    Qty in Cart: 0
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    MSRP: $34.49
    $32.24
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  • V-Twin - 16-0934 - Thread Insert for Drain Plug, Chain Case, XL Transmission V-Twin - 16-0934 - Thread Insert for Drain Plug, Chain Case, XL Transmission

    V-Twin - 16-0934 - Thread Insert for Drain Plug, Chain Case, XL Transmission

    Helicoil

    MSRP: $23.94
    $20.34
    V-Twin - 16-0934 - Thread Insert for Drain Plug, Chain Case, XL TransmissionDescriptionHeli-Coil thread inserts only for drain plug, Big Twin chain case and XL transmission with thread size of 1/2" X...
    MSRP: $23.94
    $20.34
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $23.94
    $20.34
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  • V-Twin - 16-0933 - Thread Insert for XL Engine and Transmission Drain Plug V-Twin - 16-0933 - Thread Insert for XL Engine and Transmission Drain Plug

    V-Twin - 16-0933 - Thread Insert for XL Engine and Transmission Drain Plug

    Helicoil

    MSRP: $27.22
    $25.44
    V-Twin - 16-0933 - Thread Insert for XL Engine and Transmission Drain PlugDescriptionHeli-Coil thread inserts only for engine and transmission drain plug with thread size of 1/2" X 13 and length of ...
    MSRP: $27.22
    $25.44
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $27.22
    $25.44
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  • V-Twin - 16-0932 - Thread Insert for Head Bolts V-Twin - 16-0932 - Thread Insert for Head Bolts

    V-Twin - 16-0932 - Thread Insert for Head Bolts

    Helicoil

    MSRP: $21.94
    $18.64
    V-Twin - 16-0932 - Thread Insert for Head BoltsDescriptionHeli-Coil thread inserts only for head bolts with thread size of 7/16" X 16 and length of .656". Includes 6 inserts, drill size 29/64...
    MSRP: $21.94
    $18.64
    Qty in Cart: 0
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    MSRP: $21.94
    $18.64
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  • V-Twin - 16-0931 - Thread Insert for Front and Rear Brake Drums V-Twin - 16-0931 - Thread Insert for Front and Rear Brake Drums

    V-Twin - 16-0931 - Thread Insert for Front and Rear Brake Drums

    Helicoil

    MSRP: $21.94
    $18.64
    V-Twin - 16-0931 - Thread Insert for Front and Rear Brake DrumsDescriptionHeli-Coil thread inserts only for front and rear brake drums with thread size of 3/8" x 20 and length of .375". Includes 6...
    MSRP: $21.94
    $18.64
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $21.94
    $18.64
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  • V-Twin - 16-0930 - Thread Insert for Multiple Applications V-Twin - 16-0930 - Thread Insert for Multiple Applications

    V-Twin - 16-0930 - Thread Insert for Multiple Applications

    Helicoil

    MSRP: $23.80
    $20.23
    V-Twin - 16-0930 - Thread Insert for Multiple ApplicationsDescriptionHeli-Coil thread inserts only for special thread series with thread size of 1/4" X 24 and a length of .500". Includes 12 inserts,...
    MSRP: $23.80
    $20.23
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $23.80
    $20.23
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  • V-Twin - 16-0927 - Thread Repair Kit for Transmission Cover V-Twin - 16-0927 - Thread Repair Kit for Transmission Cover

    V-Twin - 16-0927 - Thread Repair Kit for Transmission Cover

    Helicoil

    MSRP: $89.08
    $86.85
    V-Twin - 16-0927 - Thread Repair Kit for Transmission CoverDescriptionThe Heli-Coil thread repair kit is for transmission cover with locking insert with thread size of 5/16" X 18 and length of .469"...
    MSRP: $89.08
    $86.85
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $89.08
    $86.85
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  • V-Twin - 16-0926 - Thread Repair Kit for Case Bolt and Generator V-Twin - 16-0926 - Thread Repair Kit for Case Bolt and Generator

    V-Twin - 16-0926 - Thread Repair Kit for Case Bolt and Generator

    Helicoil

    MSRP: $79.83
    $71.85
    V-Twin - 16-0926 - Thread Repair Kit for Case Bolt and GeneratorDescriptionThe Heli-Coil thread repair kit is for case bolt and generator with thread size of 5/16" X 24 and length of .469" . This kit...
    MSRP: $79.83
    $71.85
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $79.83
    $71.85
    Subtotal:
  • V-Twin - 16-0924 - Thread Repair Kit for Drain Plug, Chain Case, XL V-Twin - 16-0924 - Thread Repair Kit for Drain Plug, Chain Case, XL

    V-Twin - 16-0924 - Thread Repair Kit for Drain Plug, Chain Case, XL

    Helicoil

    MSRP: $92.15
    $91.26
    V-Twin - 16-0924 - Thread Repair Kit for Drain Plug, Chain Case, XLDescriptionThe Heli-Coil thread repair kit is for drain plug, Big Twin chain case and XL transmission with thread size of 1/2" x 20...
    MSRP: $92.15
    $91.26
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $92.15
    $91.26
    Subtotal:
  • V-Twin - 16-0923 - Thread Repair Kit for XL Engine and Transmission Drain Plug V-Twin - 16-0923 - Thread Repair Kit for XL Engine and Transmission Drain Plug

    V-Twin - 16-0923 - Thread Repair Kit for XL Engine and Transmission Drain Plug

    Helicoil

    MSRP: $79.97
    $71.97
    V-Twin - 16-0923 - Thread Repair Kit for XL Engine and Transmission Drain PlugDescriptionThe Heli-Coil thread repair kit is for early XL engine and transmission drain plug with thread size of 1/2" X...
    MSRP: $79.97
    $71.97
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $79.97
    $71.97
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  • V-Twin - 16-0922 - Thread Repair Kit for Head Bolt V-Twin - 16-0922 - Thread Repair Kit for Head Bolt

    V-Twin - 16-0922 - Thread Repair Kit for Head Bolt

    Helicoil

    $447.77
    V-Twin - 16-0922 - Thread Repair Kit for Head BoltDescriptionThe Heli-Coil thread repair kit is for head bolt threads with thread size of 7/16" X 16 and length of .656". This kit includes tap,...
    $447.77
    Qty in Cart: 0
    Quantity:
    Price:
    $447.77
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  • V-Twin - 16-0920 - Thread Repair Kit for Multiple Applications V-Twin - 16-0920 - Thread Repair Kit for Multiple Applications

    V-Twin - 16-0920 - Thread Repair Kit for Multiple Applications

    Helicoil

    MSRP: $182.81
    $172.75
    V-Twin - 16-0920 - Thread Repair Kit for Multiple ApplicationsDescriptionThe Heli-Coil thread repair kit is for cam cover screw, tappet guide, oil pump stud, timer, and mounting threads. This kit...
    MSRP: $182.81
    $172.75
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $182.81
    $172.75
    Subtotal:
  • V-Twin - 16-0919 - Thread Insert for Pan D Rings V-Twin - 16-0919 - Thread Insert for Pan D Rings

    V-Twin - 16-0919 - Thread Insert for Pan D Rings

    Helicoil

    MSRP: $23.94
    $20.34
    V-Twin - 16-0919 - Thread Insert for Pan D RingsDescriptionThe Heli-Coil thread inserts only for pan D rings with thread size of 10-14 and a length of .285". Includes 12 inserts, drill size of 13/64...
    MSRP: $23.94
    $20.34
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $23.94
    $20.34
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  • V-Twin - 16-0918 - Thread Repair Kit for Pan D Rings V-Twin - 16-0918 - Thread Repair Kit for Pan D Rings

    V-Twin - 16-0918 - Thread Repair Kit for Pan D Rings

    Helicoil

    MSRP: $81.50
    $73.35
    V-Twin - 16-0918 - Thread Repair Kit for Pan D RingsDescriptionThe Heli-Coil thread repair kit is for pan D rings with thread size of 10-24 and length of .285". This kit includes tap, installation...
    MSRP: $81.50
    $73.35
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $81.50
    $73.35
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  • V-Twin - 16-0907 - Thread Insert for Spark Plugs V-Twin - 16-0907 - Thread Insert for Spark Plugs

    V-Twin - 16-0907 - Thread Insert for Spark Plugs

    Helicoil

    MSRP: $29.04
    $27.14
    V-Twin - 16-0907 - Thread Insert for Spark PlugsDescriptionHeli-Coil thread inserts only for spark plugs with thread size of 16mm and a length of .500". Includes 6 inserts, drill size of 23/32...
    MSRP: $29.04
    $27.14
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $29.04
    $27.14
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  • V-Twin - 16-0906 - Thread Repair Kit for Spark Plugs V-Twin - 16-0906 - Thread Repair Kit for Spark Plugs

    V-Twin - 16-0906 - Thread Repair Kit for Spark Plugs

    Helicoil

    $378.45
    V-Twin - 16-0906 - Thread Repair Kit for Spark Plugs Description The Heli-Coil thread repair kit is for spark plugs with thread size of 18mm and length of .500". This kit includes tap,installation...
    $378.45
    Qty in Cart: 0
    Quantity:
    Price:
    $378.45
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  • V-Twin - 16-0044 - Sav-A-Thread Tool Kit V-Twin - 16-0044 - Sav-A-Thread Tool Kit

    V-Twin - 16-0044 - Sav-A-Thread Tool Kit

    Helicoil

    MSRP: $78.28
    $76.41
    V-Twin - 16-0044 - Sav-A-Thread Tool KitDescriptionHeli-coil sav-a-thread tool kit for all spark plugs includes 14mm top, insertion tool and three inserts.Kit repairs spark plug holes for 14mm short...
    MSRP: $78.28
    $76.41
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $78.28
    $76.41
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  • V-Twin - 16-0043 - Sav-A-Thread Tool 1/2 inch Insert V-Twin - 16-0043 - Sav-A-Thread Tool 1/2 inch Insert

    V-Twin - 16-0043 - Sav-A-Thread Tool 1/2 inch Insert

    Helicoil

    MSRP: $13.94
    $12.54
    V-Twin - 16-0043 - Sav-A-Thread Tool 1/2 inch InsertDescriptionHeli-coil sav-a-thread tool spark plug insert. Fits:All modelsAdditional Information UOM1 - EA ManufacturerHelicoil OriginUSA ...
    MSRP: $13.94
    $12.54
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $13.94
    $12.54
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  • V-Twin - 16-0042 - Sav-A-Thread Tool 3/4 inch Insert V-Twin - 16-0042 - Sav-A-Thread Tool 3/4 inch Insert

    V-Twin - 16-0042 - Sav-A-Thread Tool 3/4 inch Insert

    Helicoil

    MSRP: $13.94
    $12.54
    V-Twin - 16-0042 - Sav-A-Thread Tool 3/4 inch InsertDescriptionSav-a-thread tool 3/4" spark plug insert. Fits:All modelsAdditional Information UOM1 - EA ManufacturerHelicoil OriginUSA 2025...
    MSRP: $13.94
    $12.54
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $13.94
    $12.54
    Subtotal:
  • V-Twin - 12-1152 - Ignition System Cover Pop Rivet V-Twin - 12-1152 - Ignition System Cover Pop Rivet

    V-Twin - 12-1152 - Ignition System Cover Pop Rivet

    Helicoil

    MSRP: $25.00
    $23.37
    V-Twin - 12-1152 - Ignition System Cover Pop RivetDescriptionIgnition system cover pop rivet. Fits:FXST 1984-1999FL 1970-1984FLT 1980-1999FXD 1991-1999FXR 1982-1994FLST 1986-1999FX 1971-1984XL...
    MSRP: $25.00
    $23.37
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $25.00
    $23.37
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Adding your products to cart

Helicoil Thread Repair Systems – Precision Thread Inserts for Motorcycle & Powersports Applications

Helicoil is widely trusted for producing precision-engineered thread repair systems designed to restore worn or damaged threads in motorcycle and powersports components. These systems are developed to provide accurate thread geometry and stable engagement in materials such as aluminum, steel and magnesium. Helicoil inserts are commonly used in mechanical environments where repeated fastening, vibration and heat exposure are part of normal operation.

The Helicoil product range includes thread inserts and complete repair kits used for applications such as engine cases, spark plug threads, transmission housings, drain plugs, brake components and mounting points. These solutions are suitable for Harley-Davidson models, vintage motorcycles and a wide range of powersports equipment. Each kit is designed for controlled installation, consistent thread alignment and reliable long-term service in maintenance and rebuild work.

Technicians and builders choose Helicoil for its dependable performance in professional repair environments. Whether addressing stripped threads during routine service or restoring critical mounting points during an engine rebuild, Helicoil provides a practical and trusted solution. With a long-standing presence in mechanical repair industries, Helicoil continues to support accurate thread restoration across motorcycle and powersports applications.