Description
Comparison points and tradeoffs
When comparing Time-Sert M14x1.25 spark plug thread repair kit p/n 4412E-111 by TIME-SERT with other Spark Plug Thread Repair Kits options, use this source-backed detail as the primary discriminator: Kit does not include taper inserts please order separately.
Use this second fact to evaluate the tradeoff: For applications that require deeper reach into the head. A third point to compare across alternatives is: M14x1.25 spark plug repair tooling Extended: For applications that require deeper reach into the head.
Alternative-selection boundary
Choose an alternative when its stated identifiers, application, package, or specifications better match the requirement; no unverified competitor claim is introduced here.
Complete source-backed product details
M14x1.25 spark plug repair tooling Extended: For applications that require deeper reach into the head. The 4412E tooling works very well in holes 6″ deep or more. The installation is exactly the same for taper seat or washer seat you only need the appropriate length/style of insert. Kit does not include taper inserts please order separately. Inserts Included 5 inserts with 16.8mm metric length – Part # 44111
Source product highlights
- For applications that require deeper reach into the head
- Recommended by leading automotive manufacturers
- Designed & Manufactured in the United States




Mark –
Worked as advertised! Much better than a helicoil!