Wehrs Machine 1-1/8in Fine Aluminum Jam Nut Set — Screw Jack Racing Hardware

SKU: GCNM_WM491125A
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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 Wehrs Machine & Racing Products

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

Precision Engineered Jam Nuts for Screw Jacks

Ensure your race car suspension components stay locked in place with the Wehrs Machine 1-1/8in Fine Aluminum Jam Nut set. Designed specifically for high-vibration racing environments, these jam nuts provide the reliable tension required for screw jack assemblies. Crafted from high-grade aluminum and finished with a sleek black anodized coating, they offer both superior corrosion resistance and a professional aesthetic.

Key Features and Specifications

  • Thread Size: 1-1/8in-12 Fine Thread
  • Material: Lightweight, High-Strength Aluminum
  • Finish: Durable Black Anodized
  • Quantity: Set of 4 nuts
  • Application: Ideal for screw jack adjustments and suspension tuning

These jam nuts are engineered to maintain critical settings under extreme track conditions. Whether you are adjusting your chassis setup or performing routine maintenance, these fasteners provide the peace of mind that your adjustments will remain secure throughout the race. Their lightweight construction helps reduce unsprung weight, a crucial factor in competitive racing. Trust in the quality of Wehrs Machine components to keep your vehicle performing at its peak. Upgrade your racing hardware inventory today with this essential set available at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Wehrs Machine & Racing Products

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

Precision Engineered Jam Nuts for Screw Jacks

Ensure your race car suspension components stay locked in place with the Wehrs Machine 1-1/8in Fine Aluminum Jam Nut set. Designed specifically for high-vibration racing environments, these jam nuts provide the reliable tension required for screw jack assemblies. Crafted from high-grade aluminum and finished with a sleek black anodized coating, they offer both superior corrosion resistance and a professional aesthetic.

Key Features and Specifications

  • Thread Size: 1-1/8in-12 Fine Thread
  • Material: Lightweight, High-Strength Aluminum
  • Finish: Durable Black Anodized
  • Quantity: Set of 4 nuts
  • Application: Ideal for screw jack adjustments and suspension tuning

These jam nuts are engineered to maintain critical settings under extreme track conditions. Whether you are adjusting your chassis setup or performing routine maintenance, these fasteners provide the peace of mind that your adjustments will remain secure throughout the race. Their lightweight construction helps reduce unsprung weight, a crucial factor in competitive racing. Trust in the quality of Wehrs Machine components to keep your vehicle performing at its peak. Upgrade your racing hardware inventory today with this essential set available at GGCRACING.

Product Details

Product Description

About Wehrs Machine & Racing Products

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

Precision Engineered Jam Nuts for Screw Jacks

Ensure your race car suspension components stay locked in place with the Wehrs Machine 1-1/8in Fine Aluminum Jam Nut set. Designed specifically for high-vibration racing environments, these jam nuts provide the reliable tension required for screw jack assemblies. Crafted from high-grade aluminum and finished with a sleek black anodized coating, they offer both superior corrosion resistance and a professional aesthetic.

Key Features and Specifications

  • Thread Size: 1-1/8in-12 Fine Thread
  • Material: Lightweight, High-Strength Aluminum
  • Finish: Durable Black Anodized
  • Quantity: Set of 4 nuts
  • Application: Ideal for screw jack adjustments and suspension tuning

These jam nuts are engineered to maintain critical settings under extreme track conditions. Whether you are adjusting your chassis setup or performing routine maintenance, these fasteners provide the peace of mind that your adjustments will remain secure throughout the race. Their lightweight construction helps reduce unsprung weight, a crucial factor in competitive racing. Trust in the quality of Wehrs Machine components to keep your vehicle performing at its peak. Upgrade your racing hardware inventory today with this essential set available at GGCRACING.

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