FK Bearings 5/8-18 Steel Jam Nut Right Hand Thread — Performance Fastener

SKU: BJCM_SJNR10
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About FK Bearings FK Bearings engineers high-quality automotive parts and ...Read More

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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About FK Bearings

FK Bearings engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full FK Bearings lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Reliable 5/8-18 Steel Jam Nut for High-Load Applications

Maintain precise alignment in your vehicle's suspension and steering systems with the FK Bearings 5/8-18 Steel Jam Nut. This high-quality fastener is specifically designed to lock rod ends and heim joints, ensuring that your adjustments stay fixed during aggressive driving or track sessions. With its right-hand thread configuration, it integrates seamlessly into standard steering and suspension linkages.

Key Features and Benefits

  • Size: 5/8-18 thread pitch
  • Thread Direction: Right Hand (RH)
  • Material: Hardened Steel
  • Finish: Zinc Oxide for enhanced corrosion protection
  • Application: Ideal for rod ends, heim joints, and custom linkages

Engineered for strength, this jam nut is a must-have for any serious automotive build. The zinc oxide finish provides excellent resistance against the elements, making it suitable for both street and track use. Whether you are fine-tuning your camber, caster, or toe settings, this nut provides the necessary security to keep your vehicle performing at its peak. FK Bearings is a name synonymous with quality in the racing industry, and this fastener is no exception. Trust in the durability of professional-grade hardware to keep your suspension geometry locked in place. Find all your essential racing hardware and suspension components at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About FK Bearings

FK Bearings engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full FK Bearings lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Reliable 5/8-18 Steel Jam Nut for High-Load Applications

Maintain precise alignment in your vehicle's suspension and steering systems with the FK Bearings 5/8-18 Steel Jam Nut. This high-quality fastener is specifically designed to lock rod ends and heim joints, ensuring that your adjustments stay fixed during aggressive driving or track sessions. With its right-hand thread configuration, it integrates seamlessly into standard steering and suspension linkages.

Key Features and Benefits

  • Size: 5/8-18 thread pitch
  • Thread Direction: Right Hand (RH)
  • Material: Hardened Steel
  • Finish: Zinc Oxide for enhanced corrosion protection
  • Application: Ideal for rod ends, heim joints, and custom linkages

Engineered for strength, this jam nut is a must-have for any serious automotive build. The zinc oxide finish provides excellent resistance against the elements, making it suitable for both street and track use. Whether you are fine-tuning your camber, caster, or toe settings, this nut provides the necessary security to keep your vehicle performing at its peak. FK Bearings is a name synonymous with quality in the racing industry, and this fastener is no exception. Trust in the durability of professional-grade hardware to keep your suspension geometry locked in place. Find all your essential racing hardware and suspension components at GGCRACING.

Product Details

Product Description

About FK Bearings

FK Bearings engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full FK Bearings lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Reliable 5/8-18 Steel Jam Nut for High-Load Applications

Maintain precise alignment in your vehicle's suspension and steering systems with the FK Bearings 5/8-18 Steel Jam Nut. This high-quality fastener is specifically designed to lock rod ends and heim joints, ensuring that your adjustments stay fixed during aggressive driving or track sessions. With its right-hand thread configuration, it integrates seamlessly into standard steering and suspension linkages.

Key Features and Benefits

  • Size: 5/8-18 thread pitch
  • Thread Direction: Right Hand (RH)
  • Material: Hardened Steel
  • Finish: Zinc Oxide for enhanced corrosion protection
  • Application: Ideal for rod ends, heim joints, and custom linkages

Engineered for strength, this jam nut is a must-have for any serious automotive build. The zinc oxide finish provides excellent resistance against the elements, making it suitable for both street and track use. Whether you are fine-tuning your camber, caster, or toe settings, this nut provides the necessary security to keep your vehicle performing at its peak. FK Bearings is a name synonymous with quality in the racing industry, and this fastener is no exception. Trust in the durability of professional-grade hardware to keep your suspension geometry locked in place. Find all your essential racing hardware and suspension components at GGCRACING.

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