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!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
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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 coilover setups, securing fine-tuning components on fuel...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 design allows precise micro-adjustments on rod ends,...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 engineered to lock components in place with zero...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 applications. Built from durable steel with a zinc oxide...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 high-strength steel with a protective zinc oxide finish,...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
$1.89Precision 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 under high-stress racing conditions. The steel...FKBSJNR12-1- SKU:
- FKBSJNR12-1
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
$1.89 -
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 eliminates play in critical suspension linkage by providing a...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 provides a secondary locking mechanism that keeps your...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 alignment and handling, ensuring your setup stays dialed...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 construction, ensuring your suspension geometry stays...FKBSJNR14- SKU:
- FKBSJNR14
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
$2.59Qty in Cart: 0Quantity:Price:$2.59Subtotal: -
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 3/16-32 steel jam nut delivers reliable locking...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 race car, a quality jam nut prevents vibration-induced...FKBSJNL14- SKU:
- FKBSJNL14
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$2.59Qty in Cart: 0Quantity:Price:$2.59Subtotal: -
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 your suspension tuning, ensuring your settings hold solid...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 thread integrity, making them ideal for race cars...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 repeatability and safety are non-negotiable. Lightweight...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 connections in place, preventing costly loosening that...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
$1.99Proper 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 lock your rod end securely in place, eliminating play...FKBSJNR12- SKU:
- FKBSJNR12
- Availability:
- Ships Same Business Day
- Weight:
- 0.07 LBS
- MFG Part #:
- SJNR12
$1.99 -
FK Rod Ends 5/8-18 Steel Jam Nut RH SJNR10
FK ROD ENDS
$1.49Rod 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, eliminating vibration-induced loosening that can compromise...FKBSJNR10- SKU:
- FKBSJNR10
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MFG Part #:
- SJNR10
$1.49 -
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 driving. This FK Steel Jam Nut is engineered to pair...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
$0.99Precision 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 resists corrosion while maintaining thread integrity...FKBSJNR06- SKU:
- FKBSJNR06
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- MFG Part #:
- SJNR06
$0.99
