Copper Locknut M10x1.25

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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 rb20 or rb25 2JZ 1JZ SR20 CA18 4G63 and more


• These are copper coated mild steel

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