Description
Product Overview
The Kefly 38900 Two Valve Cylinder Repair Kit provides a complete solution for repairing damaged spark plug threads in Ford 1996‑2003 two‑valve engines. Crafted from high‑quality, thickened steel, the M14‑1.25 drill, taps, and wire guides are tempered for exceptional durability. The kit includes all necessary components to restore modular cylinder heads efficiently, ensuring a precise fit and long‑lasting performance.
Usage
Designed for automotive technicians and experienced DIYers, this kit is perfect for restoring spark plug threads after blown plugs or head damage. Follow the included instruction manual and video guide to drill, tap, and install the inserts on the cylinder head. 
Why Choose Us
Kefly stands for precision engineering and reliability. Each tool undergoes rigorous quality testing, and the kit comes with a two‑year warranty and free return or exchange service. Our commitment to superior materials and clear instructions ensures minimal downtime and cost‑effective repairs.
Key Features
- High‑tempered steel drill bits and taps for superior strength
- Complete set includes wire guides for accurate thread alignment
- Specifically matched to Ford 1996‑2003 4.6L, 5.4L, and 6.8V-10 engines
- Easy-to‑follow manual and video tutorial for quick installation
- Two‑year warranty with free return or exchange service
FAQ
Is this kit compatible with all Ford two‑valve engines?
Yes, it is designed for Ford model years 1996 to 2003 with 4.6L, 5.4L, and 6.8V-10 two‑valve engines.
What tools are included in the kit?
The kit contains a M14‑1.25 steel drill bit, matching taps, wire guides, and a detailed instruction manual.
Can I use this kit on engines other than Ford?
While optimized for the specified Ford models, the tools may work on other engines with the same thread specifications, but compatibility is not guaranteed.
How long does the repair process take?
With the provided guide, most users can complete the thread repair in under an hour.
What warranty does Kefly offer?
Kefly provides a two‑year warranty and will handle free returns or exchanges for any defective items.





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