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| SKU | QAPJNL16S |
| MPN | JNL16S |
| GTIN | 806990033369 |
| Certifications | None |
| Material | Steel |
| Color/Finish | Uncoated |
| Bolt Pattern / PCD | 1-1/4-12 Left Hand |
The QA1 Jam Nut stands as a reliable and durable choice for engine component enthusiasts and professionals alike. Crafted from strong steel, this jam nut features a 1-1/4-12 left-hand thread design, ensuring secure fastening in your hardware setup. With its robust 1-7/8 inch hex size and 11/16 inch width, it offers easy tightening and loosening with standard tools, making it a practical addition to your performance parts collection. Whether you are assembling a precision engine build or reinforcing critical connections, this nut delivers consistent performance and long-lasting resistance to wear and tear.
Designed to meet stringent quality standards, the QA1 Jam Nut fits seamlessly within various hardware kits and other engine component assemblies. Its left-hand thread orientation is particularly useful for applications requiring reverse threading to prevent loosening from typical rotational forces.
Trust in a part that prioritizes strength, craftsmanship, and usability. This QA1 product is ideal for hobbyists, mechanics, and workshops dedicated to high-performance automotive projects and upgrades.
Designed to meet stringent quality standards, the QA1 Jam Nut fits seamlessly within various hardware kits and other engine component assemblies. Its left-hand thread orientation is particularly useful for applications requiring reverse threading to prevent loosening from typical rotational forces.
Trust in a part that prioritizes strength, craftsmanship, and usability. This QA1 product is ideal for hobbyists, mechanics, and workshops dedicated to high-performance automotive projects and upgrades.
Netherlands owned and operated
We want to deliver parts fast, efficiently, and with ease. Our mission is to continue to provide just that. To provide large inventory and efficient logistics while maintaining great service. As well as a community with like-minded auto enthusiasts that share the same passion as we do.

















