Easy — 1–2 hours
Description
This kit features precision-formed coils made from 18-8 stainless steel wire. These coils provide permanent conventional 60° internal screw threads, accommodating standard bolts or screws to MIL-S-7742 and MIL-S-8879 specifications. The inserts are ISO 9001 Certified and made from cold-rolled wire with a tensile strength of 200,000 to 250,000 P.S.I. and a hardness of 43-50 RC.
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | Helicoil |
| Part Number | H01G PRN424 |
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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