HeliCoil 5334-14 Save-A-Thread Spark Plug Thread Repair Kit, M14 x 1.25, Steel Inserts, For Damaged Aluminum Cylinder Heads
- The HeliCoil 5334-14 Save-A-Thread Kit is engineered for quick, reliable repair of damaged spark plug threads in aluminum cylinder heads. This M14 x 1.25 thread repair solution restores stripped or worn threads with durable steel inserts, allowing you to avoid costly head replacements. Ideal for use in automotive shops, performance garages, or dealership service bays, the kit delivers OEM-quality repairs without removing the cylinder head.
- Features:
- Restores stripped or damaged spark plug threads to M14 x 1.25
- Designed for use in aluminum cylinder heads without head removal
- Inserts made of stainless steel for strength and heat resistance
- Thread locking compound secures insert in place
- OEM-quality repair with long-lasting performance
- Includes:
- Tap
- Installation Tool
- Thread Inserts (3 sizes)
- Instructions
- Specifications:
- Manufacturer: HeliCoil
- Part Number: 5334-14
- Thread Size: M14 x 1.25
- Application: Spark plug thread repair in aluminum cylinder heads
- Material: Stainless Steel Inserts
- Country of Origin: USA
- Compatible With: Automotive engines using M14 x 1.25 spark plugs
- The Save-A-Thread Spark Plug Thread Repair Kit can also be referred to as spark plug thread kit, HeliCoil M14 x 1.25 insert kit, aluminum head thread repair, spark plug hole fix, and HeliCoil 5334-14 thread kit.
HeliCoil is a trusted name in thread repair solutions, known for its precision-engineered inserts and comprehensive kits that restore damaged threads across automotive, aerospace, and industrial applications. With decades of industry leadership, HeliCoil products deliver consistent, long-lasting performance in demanding environments.
Q: Can this kit be used without removing the cylinder head?
A: Yes, the HeliCoil 5334-14 is designed for in-place repair without needing to remove the head from the engine.
Q: What engines does this kit work with?
A: It works with any aluminum engine head that uses M14 x 1.25 spark plug threads, common in many domestic and import vehicles.
Q: Are the inserts reusable?
A: No, the steel inserts are designed for permanent installation and are not reusable after use.
Q: How many thread repairs can this kit perform?
A: The kit includes three inserts in different lengths, allowing for up to three thread repairs depending on insert size and application.
