Jam Nut
Circle Track Jam Nuts at JJ Motorsports
These low-profile jam nuts are designed to lock critical components in place without adding unnecessary bulk. They're a must-have for maintaining threaded assemblies in high-vibration environments. Match them with other racing-grade hardware for maximum stability.
Shop trusted brands like J J Motorsports for reliable options, Allstar Performance for anodized designs, FK Rod Ends for precision fittings, Wehrs Machine for custom components, T and D Machine for high-strength nuts, and Triple X Race Components for racing-specific hardware. Explore related categories such as Racing-Grade Hardware for additional options.
Top Circle Track Jam Nuts
- 5/8-18 LH Thin Jam Nuts - 4-Pack Steel Zinc Finish – Secure your components with these 5/8-18 LH Thin Jam Nuts, designed for left-hand threads. This 4-pack of fine-thread jam nuts is made from durable steel with a zinc oxide finish.
- 5/8-18 RH Thin Jam Nuts - 4-Pack Steel Zinc Finish – Secure your components with these 5/8-18 RH Thin Jam Nuts, designed for right-hand threads. This 4-pack of fine-thread jam nuts is made from durable steel with a zinc oxide finish.
- 11/16-18 Left-Hand Thread Jam Nuts - Steel, Black Finish (Pair) – Secure your automotive or racing components with these durable 11/16-18 inch left-hand thread jam nuts. Designed for precision and reliability, these jam nuts are made from high-strength steel with a sleek black finish for added corrosion resistance.
Browse our in-stock inventory below with same-day shipping and expert support. Free shipping on orders over $99! Questions? Contact us for fitment advice!
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5/8-18 LH Thin Jam Nuts - 4-Pack Steel Zinc Finish
J J MOTORSPORTS
$9.95Left-hand threads demand precision fasteners that won't slip under vibration or thermal cycling—and that's exactly what these jam nuts deliver. Whether you're locking down adjuster sleeves on...RCFS-1083- SKU:
- RCFS-1083
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
$9.95 -
5/8-18 RH Thin Jam Nuts - 4-Pack Steel Zinc Finish
J J MOTORSPORTS
$9.95Jam nuts are essential for locking primary fasteners in place—critical when vibration and thermal cycling threaten to loosen connections in high-performance applications. The 5/8-18 fine-thread...RCFS-1082- SKU:
- RCFS-1082
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
$9.95 -
11/16-18 Left-Hand Thread Jam Nuts - Steel, Black Finish (Pair)
J J MOTORSPORTS
$8.95Left-hand thread fasteners demand precision—using standard right-hand nuts risks loosening under vibration, especially in high-stress suspension and steering applications. These 11/16-18 jam nuts are...RCFS-1018- SKU:
- RCFS-1018
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- Color:
- Black
- Size:
- 11/16 LH
- Made In:
- Michigan, USA
$8.95 -
Allstar Performance 5/8-18 LH Steel Jam Nuts 4pk ALL18261
ALLSTAR PERFORMANCE
$3.99Keep your steering and suspension components locked down tight with the Allstar Performance 5/8-18 LH Steel Jam Nuts — a must-have for any serious racer or builder working with left-hand thread...ALL18261- SKU:
- ALL18261
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MFG Part #:
- ALL18261
$3.99 -
Allstar Performance 5/8-18 RH Steel Jam Nuts 4pk ALL18260
ALLSTAR PERFORMANCE
$3.99When precision and reliability matter most, the Allstar Performance 5/8-18 RH Steel Jam Nuts (ALL18260) deliver the rock-solid thread-locking performance that racers and builders demand. Built from...ALL18260- SKU:
- ALL18260
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MFG Part #:
- ALL18260
$3.99 -
FK Rod Ends 3/4 RH Steel Jam Nut w/ 15/16 Hex SJNR12-1
FK ROD ENDS
$2.99Precision rod end assemblies demand equally precise fastening solutions. This FK jam nut secures your 3/4" rod end with zero play and maximum reliability, critical for maintaining suspension geometry...FKBSJNR12-1- SKU:
- FKBSJNR12-1
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
$2.99 -
Wehrs Jam Nut Suspension Tube 5/8in RH WEHWM450R
WEHRS MACHINE
$18.00Suspension geometry demands precision at every connection point, and a quality jam nut assembly directly impacts your suspension's stability and longevity. The Wehrs Jam Nut Suspension Tube...WEHWM450R- SKU:
- WEHWM450R
- Availability:
- Ships Same Business Day
- Weight:
- 0.28 LBS
$18.00 -
Jam Nut 12pt 3/8-24 Thread 3250
T AND D MACHINE
$2.99Precision fastening demands reliable hardware that won't back off under vibration and thermal cycling—especially in high-performance applications where component failure isn't an option. This jam nut...TDM03250- SKU:
- TDM03250
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
$2.99 -
FK Rod Ends Jam Nut 1 1/4-12 Steel RH SJNR16
FK ROD ENDS
$3.19Proper rod end assembly requires a quality jam nut that locks your connection securely under extreme suspension loads and vibration. This FK steel jam nut prevents costly loosening that compromises...FKBSJNR16- SKU:
- FKBSJNR16
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
$3.19 -
FK Rod Ends 7/8-14 RH Steel Jam Nut SJNR14
FK ROD ENDS
$2.59Rod end assemblies demand secure fastening to maintain alignment and prevent catastrophic failure under cornering loads and vibration. This jam nut locks your rod end in place with a proven steel...FKBSJNR14- SKU:
- FKBSJNR14
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
$2.59 -
FK Rod Ends Jam Nut 3/16-32 Steel RH 10-32 SJNR03
FK ROD ENDS
$1.29Rod end jam nuts are critical for securing your suspension linkages and control arms against vibration and thermal cycling—a loose connection here compromises handling precision and safety. This FK...FKBSJNR03- SKU:
- FKBSJNR03
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$1.29 -
FK Rod Ends 7/8-14 LH Steel Jam Nut SJNL14
FK ROD ENDS
$2.59Precision rod end assemblies demand equally precise fastening—and that's exactly what this jam nut delivers. Whether you're dialing in suspension geometry or locking down a critical linkage on your...FKBSJNL14- SKU:
- FKBSJNL14
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$2.59 -
On Sale
Wehrs Jam Nut Tall 1in Coarse Jack Screw Steel (Pair) WEHWM4910ST
WEHRS MACHINE
MSRP: $35.99Now: $35.00Was: $35.99Precision jack screws are essential for maintaining consistent ride height and suspension geometry during setup and adjustments. Wehrs jam nuts eliminate slippage and vibration that can compromise...WEHWM4910ST- SKU:
- WEHWM4910ST
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- MFG Part #:
- WM4910ST
MSRP: $35.99Now: $35.00Was: $35.99 -
On Sale
Wehrs Aluminum Nut 1in Course Thread Jack Screw WEHWM4910A
WEHRS MACHINE
MSRP: $40.99Now: $40.00Was: $40.99Precision jack screws are essential for adjustable suspension geometry and ride height management on performance vehicles. These Wehrs aluminum nuts offer lightweight construction without sacrificing...WEHWM4910A- SKU:
- WEHWM4910A
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- MFG Part #:
- WM4910A
MSRP: $40.99Now: $40.00Was: $40.99 -
Jam Nut 5/8in LH Thread Aluminum SC-SU-0305
TRIPLE X RACE COMPONENTS
$1.39Precision steering and suspension adjustments demand hardware that won't slip or seize. This jam nut provides reliable locking for left-hand threaded applications common in sprint car setups, where...TXRSC-SU-0305- SKU:
- TXRSC-SU-0305
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- MFG Part #:
- SC-SU-0305
$1.39 -
Jam Nut 5/8in RH Thread Aluminum SC-SU-0304
TRIPLE X RACE COMPONENTS
$1.39Precision fastening is critical in sprint car applications where vibration and thermal cycling constantly challenge component integrity. This aluminum jam nut locks critical suspension and drivetrain...TXRSC-SU-0304- SKU:
- TXRSC-SU-0304
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- MFG Part #:
- SC-SU-0304
$1.39 -
FK Rod Ends Jam Nut 3/4-16 Steel RH SJNR12
FK ROD ENDS
$2.99Proper jam nut installation is critical to maintaining rod end stability and preventing unwanted loosening under high-load racing conditions. This FK 3/4-16 steel jam nut is precision-engineered to...FKBSJNR12- SKU:
- FKBSJNR12
- Availability:
- Ships Same Business Day
- Weight:
- 0.07 LBS
- MFG Part #:
- SJNR12
$2.99 -
FK Rod Ends 5/8-18 Steel Jam Nut RH SJNR10
FK ROD ENDS
$1.99Rod end assemblies demand precision fastening to maintain alignment and prevent unwanted play during high-stress racing conditions. This FK steel jam nut locks your rod end securely in place,...FKBSJNR10- SKU:
- FKBSJNR10
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MFG Part #:
- SJNR10
$1.99 -
FK Rod Ends Jam Nut 1/2-20 Steel RH SJNR08
FK ROD ENDS
$1.59Jam nuts are critical for maintaining rod end integrity under load and vibration—they lock your primary fastener in place and prevent catastrophic loosening during high-stress racing or performance...FKBSJNR08- SKU:
- FKBSJNR08
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- MFG Part #:
- SJNR08
$1.59 -
FK Rod Ends Jam Nut 3/8-24 Steel RH SJNR06
FK ROD ENDS
$1.49Precision rod end assemblies demand equally precise fastening—this jam nut locks your 3/8-24 connections under extreme loads and vibration without slipping. Steel construction with zinc oxide coating...FKBSJNR06- SKU:
- FKBSJNR06
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- MFG Part #:
- SJNR06
$1.49
