Helicoil 5521-4 Thread Repair Kit — 1/4-20 x 3/8 Engine Threads

Restore damaged or stripped 1/4-20 engine threads with the Helicoil 5521-4 Thread Repair Kit. It targets cam cover screws, tappet guides, oil pump studs, timing components, and mounting threads, reinstating the original thread integrity with precision.

Thread size and length: 1/4 inch x 20 with a length of 0.375 inch.

The kit includes a tap tool, twelve inserts, and complete instructions for easy use, making repairs straightforward for professionals and experienced DIY enthusiasts.

Made in the USA, the Helicoil 5521-4 offers consistent materials and manufacturing standards for reliable, long-lasting repairs in engine assemblies.

Use cases include repairing threads in engine components where 1/4-20 screws or studs are used, helping to maintain secure fastenings and minimize downtime. Part number: 5521-4.

• Thread Size: 1/4" x 20; length 0.375"
• Includes: tap tool, 12 inserts, instructions
• Applications: cam cover screws, tappet guides, oil pump studs, timing components, mounting threads
• Made in the USA

Thread repair kit is for cam cover screw tappet guide oil pump stud timer and mounting threads. Thread size is 1/4 inch x 20 with length of.375 inch. This kit includes tap tool 12 inserts and complete instructions.

The Helicoil 5521-4 Thread Repair Kit is an essential tool for repairing damaged or stripped threads in various engine components. Designed for use on cam cover screws, tappet guides, oil pump studs, timing components, and mounting threads, this kit restores the original thread integrity with precision and ease. The kit features a durable tap tool, twelve high-quality inserts, and comprehensive instructions, making it suitable for both professional mechanics and experienced DIY enthusiasts. Its versatile design allows for reliable repairs across a range of applications, ensuring that your engine components remain securely fastened and functioning optimally. Crafted in the USA, this kit offers consistent quality and performance for long-lasting repairs. Whether you're addressing minor thread damage or performing routine maintenance, the Helicoil 5521-4 kit provides a cost-effective solution that minimizes downtime and prevents costly component replacements.

Features:

• Thread Size: 1/4 inch x 20 with a length of 0.375 inch for compatibility with various engine components

• Complete Repair Kit: Includes tap tool, 12 inserts, and detailed instructions for easy use

• Versatile Application: Suitable for cam cover screws, tappet guides, oil pump studs, timing components, and mounting threads

• Made in the USA: Ensures high-quality materials and manufacturing standards

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