Copper Locknut M8x1.25

Sinco D.I.Y.


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  • Helps prevent the nut from loosening under high heat and vibration conditions

  • Has a section on the end of the nut that locks onto the thread when tightened (we recommend replacing the nuts each time they are removed)

  • Used along with a turbo stud to fit your turbo to the manifold or exhaust manifold to head

  • Suits T25 flange threads 4g63 - RB26 and more

  • These are copper coated mild steel

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SKU: locknut8

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