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Motive Gear Ring and Pinion Set 3.90 Ratio for GM 8.5 Differential (GM10-390)

Achieve superior acceleration and durability with this precision-engineered set.

Frowse Rating8.6/10

Available in a range of sizes.

Upgrade your GM vehicle with the Motive Gear GM10-390 Differential Ring and Pinion Set. Designed for enhanced performance, this set is precision-engineered for a smooth driving experience. Built from durable 8620 steel, it ensures longevity and maximum power transfer.

  • Optimised 3.90 Gear Ratio: Enhances acceleration and towing capacity.
  • Durable Construction: Made from high-strength 8620 steel for reliability.
  • Precision Machined: Heat-treated to reduce noise and improve gear engagement.

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Frowse Rating 8.6/10

Best for: Performance-focused GM vehicle owners

Our Review

The Motive Gear GM10-390 Differential Ring and Pinion Set stands out for its optimized 3.90 gear ratio, significantly enhancing acceleration and towing capacity for GM 8.5" and 8.625" differentials. Built from durable 8620 steel, this set promises long-lasting performance, and its precision machining ensures smooth operation and reduced noise, making it an excellent choice for performance enthusiasts.

Best suited for Chevrolet, GMC, Cadillac, and other compatible GM vehicles, this ring and pinion set meets or exceeds OEM quality standards. This reliability, combined with a comprehensive 1-year warranty, makes it a smart investment for those looking to enhance their vehicle's performance.

Overall, the Motive Gear GM10-390 is highly recommended for those seeking to upgrade their GM vehicle’s differential setup, delivering outstanding performance coupled with exceptional durability.

What we like

  • Optimized 3.90 gear ratio for enhanced performance
  • Durable 8620 steel construction ensures longevity
  • Precision machined for smooth, efficient operation
  • Direct fit for various GM models
  • 1-year warranty for peace of mind

Our verdict

Achieve superior acceleration and durability with this precision-engineered set.

Product Details

Motive Gear’s GM10-390 Ring & Pinion Set is ideal for upgrading GM 8.5″/8.625″ differentials, featuring a carefully engineered 3.90 gear ratio. This product is constructed from high-quality 8620 steel, ensuring outstanding performance and durability while providing a smooth driving experience.

Key Features:

  • Premium Build Quality: Manufactured from 8620 steel for superior strength and longevity.
  • Optimised Gear Ratio: The 3.90 ratio facilitates enhanced torque distribution and acceleration.
  • Perfect Fitment: Designed specifically for GM 8.5″/8.625″ 10-bolt differentials with a 30-spline pinion.

Wide Compatibility:

This set fits a range of vehicles including Chevrolet, GMC, Cadillac, Buick, Pontiac, Oldsmobile, Hummer, and Isuzu models. Some specific applications include:
  • Buick: Electra, Regal, Riviera, and more.
  • Cadillac: Escalade models from 1999-2013.
  • Chevrolet: Avalanche, C1500, Camaro, Silverado, and more.
  • GMC: Sierra 1500, Yukon, and other models.

Reliable & Efficient Design:

Heat-treated for added durability, this set reduces noise and extends the lifespan of the differential.

Warranty:

Includes a 1-Year / 50,000 Miles warranty, ensuring you benefit from quality and longevity.

Replacements for:

Compatible with parts from SVL, Yukon Gear & Axle, Richmond Gear, and others. Dimensions of the product are approximately 15.5 x 11 x 5.25 inches.
ASIN:
B001CQQ9R4
Brand:
Motive Gear

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