Specialty Products Aluminum Differential Cover — Fits 67-81 GM Truck 8.875in Rear

SKU: BCNJ_4902X
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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.

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Enhanced Rear End Protection

Upgrade your 1967-1981 GM truck's drivetrain with this premium Specialty Products Aluminum Differential Cover. Designed for the robust 8.875-inch GM 12-bolt rear end, this cover provides superior cooling and structural rigidity compared to the factory stamped steel unit.

Built for Performance

  • Material: Lightweight, high-strength aluminum for improved heat dissipation.
  • Fitment: Precision-engineered for GM 12-bolt 8.875-inch rear axle housings.
  • Complete Kit: Includes all necessary hardware for a hassle-free installation.
  • Design: Natural finish provides a clean, industrial look for your undercarriage.

A differential cover is more than just a seal; it is a critical component for protecting your ring and pinion gears. The aluminum construction helps dissipate heat generated during heavy towing or spirited driving, extending the life of your gear oil and internal components. This cover is a direct replacement for 1967-1981 GM trucks, ensuring a perfect fit and a leak-free seal. Whether you are performing routine maintenance or upgrading your truck for better performance, this differential cover is an essential addition to your drivetrain. Experience the difference in quality and durability with performance parts from GGCRACING.

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

Enhanced Rear End Protection

Upgrade your 1967-1981 GM truck's drivetrain with this premium Specialty Products Aluminum Differential Cover. Designed for the robust 8.875-inch GM 12-bolt rear end, this cover provides superior cooling and structural rigidity compared to the factory stamped steel unit.

Built for Performance

  • Material: Lightweight, high-strength aluminum for improved heat dissipation.
  • Fitment: Precision-engineered for GM 12-bolt 8.875-inch rear axle housings.
  • Complete Kit: Includes all necessary hardware for a hassle-free installation.
  • Design: Natural finish provides a clean, industrial look for your undercarriage.

A differential cover is more than just a seal; it is a critical component for protecting your ring and pinion gears. The aluminum construction helps dissipate heat generated during heavy towing or spirited driving, extending the life of your gear oil and internal components. This cover is a direct replacement for 1967-1981 GM trucks, ensuring a perfect fit and a leak-free seal. Whether you are performing routine maintenance or upgrading your truck for better performance, this differential cover is an essential addition to your drivetrain. Experience the difference in quality and durability with performance parts from GGCRACING.

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

Enhanced Rear End Protection

Upgrade your 1967-1981 GM truck's drivetrain with this premium Specialty Products Aluminum Differential Cover. Designed for the robust 8.875-inch GM 12-bolt rear end, this cover provides superior cooling and structural rigidity compared to the factory stamped steel unit.

Built for Performance

  • Material: Lightweight, high-strength aluminum for improved heat dissipation.
  • Fitment: Precision-engineered for GM 12-bolt 8.875-inch rear axle housings.
  • Complete Kit: Includes all necessary hardware for a hassle-free installation.
  • Design: Natural finish provides a clean, industrial look for your undercarriage.

A differential cover is more than just a seal; it is a critical component for protecting your ring and pinion gears. The aluminum construction helps dissipate heat generated during heavy towing or spirited driving, extending the life of your gear oil and internal components. This cover is a direct replacement for 1967-1981 GM trucks, ensuring a perfect fit and a leak-free seal. Whether you are performing routine maintenance or upgrading your truck for better performance, this differential cover is an essential addition to your drivetrain. Experience the difference in quality and durability with performance parts from GGCRACING.

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