Description
When you’re building or maintaining a high-performance engine, suspension, or drivetrain, loose fasteners are your enemy. This 1/2-13 adjustable jam nut locks threaded components in place with the reliability you need for track duty or street applications. The black oxide finish resists corrosion while maintaining a clean, professional appearance on visible fastener work.
Winters’ adjustable design gives you precise positioning control, making it ideal for tuning and securing critical components where vibration and thermal cycling demand absolute confidence. Whether you’re assembling a custom build or servicing existing hardware, this nut delivers the holding power that separates a properly engineered setup from one destined for failure.
- Thread Size: 1/2-13
- Material: Steel
- Finish: Black Oxide
- Thread Type: Right-Hand
- Design: Adjustable
- Installation: Bolt-On
- Environment: Dry Conditions
- MPN: WIN7137A






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