Ratech Complete Differential Install Kit — Fits GM 12-Bolt Passenger Car

SKU: BHLZ_315K
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Precision Drivetrain PerformanceEnsure your GM 12-bolt rear end operates at ...Read More

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Sale price$109.99
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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

Precision Drivetrain Performance

Ensure your GM 12-bolt rear end operates at peak efficiency with the Ratech Complete Differential Installation Kit. Designed for enthusiasts and professional builders, this comprehensive package provides every essential component required for a seamless ring and pinion gear swap. By replacing worn-out bearings and seals, you eliminate unwanted drivetrain noise and prevent premature gear failure.

What is Included in the Kit?

  • High-quality carrier and pinion bearings
  • Precision-engineered crush sleeve
  • Durable gaskets and premium oil seals
  • Complete hardware set for secure mounting
  • Professional-grade shims for accurate backlash adjustment
  • Gear marking compound for perfect tooth contact patterns

Whether you are restoring a classic muscle car or building a high-performance street machine, this kit offers the reliability you need. Each component is manufactured to meet or exceed OEM specifications, ensuring a perfect fit for your GM 12-bolt axle. Proper installation is critical to the longevity of your differential, and this kit simplifies the process by providing all necessary parts in one convenient box. Avoid the hassle of sourcing individual components and trust in the quality of Ratech engineering. Get your vehicle back on the road with confidence and precision. For all your high-performance drivetrain needs, rely on the experts at GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

Precision Drivetrain Performance

Ensure your GM 12-bolt rear end operates at peak efficiency with the Ratech Complete Differential Installation Kit. Designed for enthusiasts and professional builders, this comprehensive package provides every essential component required for a seamless ring and pinion gear swap. By replacing worn-out bearings and seals, you eliminate unwanted drivetrain noise and prevent premature gear failure.

What is Included in the Kit?

  • High-quality carrier and pinion bearings
  • Precision-engineered crush sleeve
  • Durable gaskets and premium oil seals
  • Complete hardware set for secure mounting
  • Professional-grade shims for accurate backlash adjustment
  • Gear marking compound for perfect tooth contact patterns

Whether you are restoring a classic muscle car or building a high-performance street machine, this kit offers the reliability you need. Each component is manufactured to meet or exceed OEM specifications, ensuring a perfect fit for your GM 12-bolt axle. Proper installation is critical to the longevity of your differential, and this kit simplifies the process by providing all necessary parts in one convenient box. Avoid the hassle of sourcing individual components and trust in the quality of Ratech engineering. Get your vehicle back on the road with confidence and precision. For all your high-performance drivetrain needs, rely on the experts at GGCRACING.

Product Details

Product Description

Precision Drivetrain Performance

Ensure your GM 12-bolt rear end operates at peak efficiency with the Ratech Complete Differential Installation Kit. Designed for enthusiasts and professional builders, this comprehensive package provides every essential component required for a seamless ring and pinion gear swap. By replacing worn-out bearings and seals, you eliminate unwanted drivetrain noise and prevent premature gear failure.

What is Included in the Kit?

  • High-quality carrier and pinion bearings
  • Precision-engineered crush sleeve
  • Durable gaskets and premium oil seals
  • Complete hardware set for secure mounting
  • Professional-grade shims for accurate backlash adjustment
  • Gear marking compound for perfect tooth contact patterns

Whether you are restoring a classic muscle car or building a high-performance street machine, this kit offers the reliability you need. Each component is manufactured to meet or exceed OEM specifications, ensuring a perfect fit for your GM 12-bolt axle. Proper installation is critical to the longevity of your differential, and this kit simplifies the process by providing all necessary parts in one convenient box. Avoid the hassle of sourcing individual components and trust in the quality of Ratech engineering. Get your vehicle back on the road with confidence and precision. For all your high-performance drivetrain needs, rely on the experts at GGCRACING.

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