Ratech Pinion Nut 7/8-16 Steel — Fits GM 10-Bolt & 12-Bolt 1963-79

SKU: BHLZ_1503
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Classic GM Pinion Nut for 10-Bolt and 12-Bolt AxlesRestore your ...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

Classic GM Pinion Nut for 10-Bolt and 12-Bolt Axles

Restore your classic GM vehicle with the precision-engineered Ratech Pinion Nut. Specifically designed for 10-bolt and 12-bolt rear ends, this fastener is a critical component for anyone restoring a 1963-1979 Chevy Corvette or other GM muscle cars. When dealing with high-performance drivetrain components, you need hardware that you can trust to hold up under pressure and maintain critical tolerances.

Technical Details

  • Thread Size: 7/8-16
  • Compatibility: GM 10-Bolt and 12-Bolt differentials
  • Vehicle Fitment: Chevy Corvette 1963-1979
  • Material: High-Strength Steel
  • Finish: Zinc Oxide

This pinion nut is manufactured to provide a precise fit, ensuring that your pinion gear stays properly seated within the differential housing. The zinc oxide coating provides superior protection against oxidation, which is especially important for classic cars that may spend time in storage or exposed to varying environmental conditions. By replacing your old, worn-out pinion nut, you prevent potential gear lash issues and bearing play that can lead to costly differential damage. Whether you are performing a full restoration or a quick gear ratio change, this Ratech component is the ideal choice for your GM drivetrain project. Find all the specialized hardware you need for your classic vehicle at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

Classic GM Pinion Nut for 10-Bolt and 12-Bolt Axles

Restore your classic GM vehicle with the precision-engineered Ratech Pinion Nut. Specifically designed for 10-bolt and 12-bolt rear ends, this fastener is a critical component for anyone restoring a 1963-1979 Chevy Corvette or other GM muscle cars. When dealing with high-performance drivetrain components, you need hardware that you can trust to hold up under pressure and maintain critical tolerances.

Technical Details

  • Thread Size: 7/8-16
  • Compatibility: GM 10-Bolt and 12-Bolt differentials
  • Vehicle Fitment: Chevy Corvette 1963-1979
  • Material: High-Strength Steel
  • Finish: Zinc Oxide

This pinion nut is manufactured to provide a precise fit, ensuring that your pinion gear stays properly seated within the differential housing. The zinc oxide coating provides superior protection against oxidation, which is especially important for classic cars that may spend time in storage or exposed to varying environmental conditions. By replacing your old, worn-out pinion nut, you prevent potential gear lash issues and bearing play that can lead to costly differential damage. Whether you are performing a full restoration or a quick gear ratio change, this Ratech component is the ideal choice for your GM drivetrain project. Find all the specialized hardware you need for your classic vehicle at GGCRACING.

Product Details

Product Description

Classic GM Pinion Nut for 10-Bolt and 12-Bolt Axles

Restore your classic GM vehicle with the precision-engineered Ratech Pinion Nut. Specifically designed for 10-bolt and 12-bolt rear ends, this fastener is a critical component for anyone restoring a 1963-1979 Chevy Corvette or other GM muscle cars. When dealing with high-performance drivetrain components, you need hardware that you can trust to hold up under pressure and maintain critical tolerances.

Technical Details

  • Thread Size: 7/8-16
  • Compatibility: GM 10-Bolt and 12-Bolt differentials
  • Vehicle Fitment: Chevy Corvette 1963-1979
  • Material: High-Strength Steel
  • Finish: Zinc Oxide

This pinion nut is manufactured to provide a precise fit, ensuring that your pinion gear stays properly seated within the differential housing. The zinc oxide coating provides superior protection against oxidation, which is especially important for classic cars that may spend time in storage or exposed to varying environmental conditions. By replacing your old, worn-out pinion nut, you prevent potential gear lash issues and bearing play that can lead to costly differential damage. Whether you are performing a full restoration or a quick gear ratio change, this Ratech component is the ideal choice for your GM drivetrain project. Find all the specialized hardware you need for your classic vehicle at GGCRACING.

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