Specialty Products GM 12-Bolt Differential Cover — Chrome Steel Passenger Car

SKU: BCNJ_7126
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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 Specialty Products chrome - Archived

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

Watch in action

Enhance Your Rear-End Aesthetics

Upgrade the look and protection of your vehicle's drivetrain with this premium chrome steel differential cover designed specifically for GM 12-bolt passenger car rear-ends. Whether you are restoring a classic muscle car or maintaining a high-performance street machine, this cover provides the perfect blend of durability and style.

Key Features and Benefits

  • Precision Fitment: Engineered specifically for GM 12-bolt rear-end housings.
  • Premium Chrome Finish: Polished chrome plating offers a high-luster shine that resists corrosion and looks great under the chassis.
  • Durable Construction: Heavy-duty steel construction ensures long-lasting protection for your ring and pinion gears.
  • Easy Installation: Designed to bolt directly onto factory housings for a hassle-free upgrade.

Maintaining your differential is critical for longevity, especially in high-torque applications. This cover not only seals the housing effectively but also serves as a visual centerpiece for your undercarriage. The chrome finish is designed to withstand the harsh environment beneath your car, ensuring it stays looking sharp for years to come. If you are looking to replace a rusted or damaged factory cover, this unit offers the ideal combination of affordability and performance. Trust GGCRACING for all your drivetrain component needs and keep your ride running smoothly on the street or the strip.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Specialty Products chrome - Archived

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

Watch in action

Enhance Your Rear-End Aesthetics

Upgrade the look and protection of your vehicle's drivetrain with this premium chrome steel differential cover designed specifically for GM 12-bolt passenger car rear-ends. Whether you are restoring a classic muscle car or maintaining a high-performance street machine, this cover provides the perfect blend of durability and style.

Key Features and Benefits

  • Precision Fitment: Engineered specifically for GM 12-bolt rear-end housings.
  • Premium Chrome Finish: Polished chrome plating offers a high-luster shine that resists corrosion and looks great under the chassis.
  • Durable Construction: Heavy-duty steel construction ensures long-lasting protection for your ring and pinion gears.
  • Easy Installation: Designed to bolt directly onto factory housings for a hassle-free upgrade.

Maintaining your differential is critical for longevity, especially in high-torque applications. This cover not only seals the housing effectively but also serves as a visual centerpiece for your undercarriage. The chrome finish is designed to withstand the harsh environment beneath your car, ensuring it stays looking sharp for years to come. If you are looking to replace a rusted or damaged factory cover, this unit offers the ideal combination of affordability and performance. Trust GGCRACING for all your drivetrain component needs and keep your ride running smoothly on the street or the strip.

Product Details

Product Description

About Specialty Products chrome - Archived

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

Watch in action

Enhance Your Rear-End Aesthetics

Upgrade the look and protection of your vehicle's drivetrain with this premium chrome steel differential cover designed specifically for GM 12-bolt passenger car rear-ends. Whether you are restoring a classic muscle car or maintaining a high-performance street machine, this cover provides the perfect blend of durability and style.

Key Features and Benefits

  • Precision Fitment: Engineered specifically for GM 12-bolt rear-end housings.
  • Premium Chrome Finish: Polished chrome plating offers a high-luster shine that resists corrosion and looks great under the chassis.
  • Durable Construction: Heavy-duty steel construction ensures long-lasting protection for your ring and pinion gears.
  • Easy Installation: Designed to bolt directly onto factory housings for a hassle-free upgrade.

Maintaining your differential is critical for longevity, especially in high-torque applications. This cover not only seals the housing effectively but also serves as a visual centerpiece for your undercarriage. The chrome finish is designed to withstand the harsh environment beneath your car, ensuring it stays looking sharp for years to come. If you are looking to replace a rusted or damaged factory cover, this unit offers the ideal combination of affordability and performance. Trust GGCRACING for all your drivetrain component needs and keep your ride running smoothly on the street or the strip.

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