


| SKU | QAPJNR3S |
| MPN | JNR3S |
| EAN | 806990033338 |
| Units per SKU | 1.0 |
| Certifications | None |
| Material | Steel |
| Color/Finish | Raw steel |
| Wheel Size (inches) | Not Applicable |
| Offset (mm) | Not Applicable |
| Bolt Pattern / PCD | Not Applicable |
| Lug (holes) | Not Applicable |
| Center Bore (mm) | Not Applicable |
| Spoke Style | Not Applicable |
| Beadlock (Yes/No) | Not Applicable |
| Backspacing (inches) | Not Applicable |
The QA1 Jam Nut is a precision-engineered fastening component designed specifically for engine components and performance applications. Featuring a 10-32 right hand thread, this jam nut ensures secure and reliable locking to prevent loosening due to vibration or stress.
Crafted from durable steel, it offers exceptional strength and longevity under extreme conditions typically experienced in automotive engines. The external 3/8-inch hex provides a convenient grip for tightening or loosening, while the 1/8-inch width ensures a low-profile fit without compromising locking capability.
Ideal for enthusiasts and professionals needing robust hardware to support high-performance engine builds, this QA1 jam nut is a trusted choice that combines quality, reliability, and precision engineering. Its compatibility with various engine components makes it a versatile addition to your hardware kit.
Whether upgrading or maintaining your performance engine, the QA1 Jam Nut delivers consistent performance with every installation, backed by QA1's reputation for excellence in automotive hardware.
Crafted from durable steel, it offers exceptional strength and longevity under extreme conditions typically experienced in automotive engines. The external 3/8-inch hex provides a convenient grip for tightening or loosening, while the 1/8-inch width ensures a low-profile fit without compromising locking capability.
Ideal for enthusiasts and professionals needing robust hardware to support high-performance engine builds, this QA1 jam nut is a trusted choice that combines quality, reliability, and precision engineering. Its compatibility with various engine components makes it a versatile addition to your hardware kit.
Whether upgrading or maintaining your performance engine, the QA1 Jam Nut delivers consistent performance with every installation, backed by QA1's reputation for excellence in automotive hardware.
Customer reviews
Based on 160 reviews
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.

















