SKU:16-0931
Restore damaged brake drum threads on Harley Davidson motorcycles with the Helicoil R389-6 3/8 inch x 20 Thread Insert Pack — a six‑piece kit designed specifically for front and rear brake drums.
Specifications: thread size 3/8 inch x 20; length approximately 0.375 inches. Material: Helicoil steel. Country of origin: USA.
Designed to withstand the rigors of motorcycle braking systems, these inserts restore damaged threads, prevent further wear, and prolong the life of brake drums for safer operation.
Compatibility: Harley Davidson EL models (1936–1940) and FL models (1941–1972), including 1971–1972 FX models.
Part number: R389-6. Vendor: Helicoil. Manufactured in the USA.
Heli-Coil thread inserts only for front and rear brake drums with thread size of 3/8 inch x 20 and length of.375 inch. Includes 6 inserts drill size of 25/64.Ensure secure and reliable fastening for your Harley Davidson motorcycle brake drums with the Helicoil R389-6 thread inserts. Designed specifically for front and rear brake drums with a thread size of 3/8 inch by 20 and a length of approximately 3/8 inch, these inserts provide a durable repair solution to restore stripped or damaged threads. Manufactured in the USA, these high-quality inserts are engineered to withstand the rigors of motorcycle braking systems, ensuring safety and performance. Each pack includes six inserts along with a drill bit size of 25/64 inch, facilitating easy installation and maintenance. These thread inserts are an essential accessory for restoring the integrity of your brake drum threads, especially when working on vintage Harley Davidson models from 1936 to 1945, including the EL and FL series. Properly installed, they help prevent thread stripping and prolong the lifespan of your brake components, contributing to a safer riding experience.
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