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SKU: JNL4S | UPC: 806990010698
QA1 Jam Nut - 1/4-28 Left Hand - 7/16in Hex 5/32in Wide - Steel JNL4S
QA1 JNL4S jam nut delivers precise locking for 1/4-28 left hand threaded rod ends and linkages in high-performance automotive applications. This steel component secures adjustments on circle track drag racing street performance and street rod suspension steering systems. High carbon steel build with protective coating ensures lasting hold under extreme vibration and loads.
Key Features
- 1/4-28 Left Hand Threads: Matches QA1 rod ends for counterclockwise locking that resists loosening in right hand primary systems
- 7/16in Hex Head: Allows quick wrench access in confined suspension and chassis spaces
- 5/32in Width: Slim profile fits tight clearances without adding bulk to linkages
- High Carbon Steel: Provides strength for industrial racing demands with protective coating against corrosion
- ANSI B18.2.2-1972 Compliant: Meets exacting standards for consistent threading and performance reliability
Product Notes
- Pair with QA1 1/4-28 LH rod ends for complete linkage assembly
- Protective coating maintains integrity in harsh racing environments
- Compact design ships in minimal protective packaging
Installation Notes
- Professional installation recommended.
- Thread onto rod end before mounting linkage
- Compatible with standard 7/16in wrenches and QA1 hardware
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| Universal | QA1 Rod Ends | 1/4-28 LH Thread | Circle Track Drag Street Performance |
Why Choose QA1?
- Founded in 1993 as leader in rod ends spherical bearings for motorsports
- American-made suspension components from 83000 sq ft Lakeville MN facility
- Innovates with in-house carbon fiber driveshafts and performance linkages
Frequently Asked Questions
-
Q: Which rod ends does the JNL4S fit?
A: Designed for QA1 1/4-28 left hand thread rod ends and spherical bearings in suspension steering -
Q: What material and finish on this jam nut?
A: High carbon steel with protective coating for durability and rust resistance -
Q: What tools needed for installation?
A: 7/16in wrench threads it onto rod end easily professional install advised for racing setups
Shipping & Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock - ships same or next business day
- Packaging: Compact protective box 2 x 2 x 1 inches
- Weight: 0.05 lbs
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