Wehrs Machine Aluminum Jam Nut 1in Coarse Thread Jack Screw — Set of 4

SKU: GCNM_WM4910A

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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

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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 Aluminum Jam Nuts for Jack Screws

Maintain precise ride height adjustments with the Wehrs Machine Aluminum Jam Nut set. Designed for 1-inch coarse thread jack screws, these nuts provide the locking security needed to keep your suspension settings locked in place under heavy load. This set includes four high-quality aluminum nuts, finished in a durable black anodized coating to resist galling and corrosion.

Technical Specifications

  • Thread Size: 1-8 Right Hand Thread.
  • Material: Lightweight, high-strength aluminum.
  • Quantity: Set of 4 nuts included.
  • Finish: Black anodized for long-lasting performance.

When it comes to chassis tuning, every turn of the jack screw matters. These jam nuts are engineered to provide a tight, reliable lock, ensuring that your suspension geometry remains consistent from the first lap to the last. The lightweight aluminum construction helps minimize rotating mass and overall vehicle weight, making them a preferred choice for competitive racing applications. For all your chassis and suspension hardware needs, rely on the expert selection at GGCRACING.

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 Aluminum Jam Nuts for Jack Screws

Maintain precise ride height adjustments with the Wehrs Machine Aluminum Jam Nut set. Designed for 1-inch coarse thread jack screws, these nuts provide the locking security needed to keep your suspension settings locked in place under heavy load. This set includes four high-quality aluminum nuts, finished in a durable black anodized coating to resist galling and corrosion.

Technical Specifications

  • Thread Size: 1-8 Right Hand Thread.
  • Material: Lightweight, high-strength aluminum.
  • Quantity: Set of 4 nuts included.
  • Finish: Black anodized for long-lasting performance.

When it comes to chassis tuning, every turn of the jack screw matters. These jam nuts are engineered to provide a tight, reliable lock, ensuring that your suspension geometry remains consistent from the first lap to the last. The lightweight aluminum construction helps minimize rotating mass and overall vehicle weight, making them a preferred choice for competitive racing applications. For all your chassis and suspension hardware needs, rely on the expert selection at GGCRACING.

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