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EXCEL 12BT410 GM 8.875 4.10 Ratio Ring & Pinion Gear Set 12 Bolt Rear Differential, High-Strength 8620 Steel Fits Chevrolet & GMC C10, K10, C20, K20, K5 Blazer, Suburban, G-Series (1964-1982)
EXCEL 12BT410 GM 8.875 4.10 Ratio Ring & Pinion Gear Set 12 Bolt Rear Differential, High-Strength 8620 Steel Fits Chevrolet & GMC C10, K10, C20, K20, K5 Blazer, Suburban, G-Series (1964-1982)
EXCEL 12BT410 GM 8.875 4.10 Ratio Ring & Pinion Gear Set 12 Bolt Rear Differential, High-Strength 8620 Steel Fits Chevrolet & GMC C10, K10, C20, K20, K5 Blazer, Suburban, G-Series (1964-1982)
EXCEL 12BT410 GM 8.875 4.10 Ratio Ring & Pinion Gear Set 12 Bolt Rear Differential, High-Strength 8620 Steel Fits Chevrolet & GMC C10, K10, C20, K20, K5 Blazer, Suburban, G-Series (1964-1982)
EXCEL 12BT410 GM 8.875 4.10 Ratio Ring & Pinion Gear Set 12 Bolt Rear Differential, High-Strength 8620 Steel Fits Chevrolet & GMC C10, K10, C20, K20, K5 Blazer, Suburban, G-Series (1964-1982)
EXCEL by Richmond is a trusted brand in drivetrain components, providing industry-leading precision and strength for off-road, street, and towing applications.
EXCEL 12BT410 GM 8.875" 4.10 Ratio Ring & Pinion Gear Set 12 Bolt Rear Differential, High-Strength 8620 Steel Fits Chevrolet & GMC C10, K10, C20, K20, K5 Blazer, Suburban, G-Series (1964-1982)
Item #: 85398774

EXCEL 12BT410 GM 8.875" 4.10 Ratio Ring & Pinion Gear Set 12 Bolt Rear Differential, High-Strength 8620 Steel Fits Chevrolet & GMC C10, K10, C20,

Item #: 85398774

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EXCEL by Richmond is a trusted brand in drivetrain components, providing industry-leading precision and strength for off-road, street, and towing applications.
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What Stands Out

High Performance
Designed for enhanced torque and acceleration, the EXCel 12BT410 ring and pinion ensures efficient power transfer, making it an ideal choice for performance truck upgrades.
Durable Construction
Manufactured from high-quality materials, these gears provide superior durability and longevity under heavy-duty conditions, ensuring reliable off-road or towing performance for GM 8.875 trucks.
Precision Engineering
Engineered for precise fit and easy installation, the ring and pinion set allows for seamless integration with existing systems, minimizing installation time and maximizing driving enjoyment.

Product Details

Shop EXCEL 12BT410 GM 8.875 4.10 Ratio Ring & Pinion Gear Set 12 Bolt Rear Differential, High-Strength 8620 Steel Fits Chevrolet & GMC C10, K10, C20, K20, K5 Blazer, Suburban, G-Series (1964-1982) online at a best price in The Bahamas. B0086D0WL0
  • ✅ OEM-Quality Ring & Pinion Set: GM 8.875" (12 Bolt) 4.10 ratio differential gear set, engineered for smooth power transfer & durability in high-performance applications.
  • ✅ High-Strength 8620 Steel: Manufactured from premium 8620 steel for superior wear resistance, reliability, and long-lasting performance under heavy loads.
  • ✅ Precise Fitment & Compatibility: Designed for GM 8.875" (12 Bolt) rear differentials; requires a 3.73 and numerically higher ratio carrier for proper installation.
  • ✅ Exact OEM Replacement: Directly replaces Richmond Gear 69-0204-1, USA Standard Gear 36177, Transtar 742J730E, and Motive Gear GM12-411A for seamless fit.
Country of OriginThis item will be imported from US

Product Technical Details

Manufacturer‎EXCel
Brand‎Excel
Model‎Ring and Pinion
Item Weight‎13.3 pounds
Product Dimensions‎11 x 15.25 x 5.5 inches
Item model number‎12BT410
Is Discontinued By Manufacturer‎No
Exterior‎Machined
Manufacturer Part Number‎12BT410
OEM Part Number‎12BT410

Who Should Buy?

Suitable For
  • Heavy Towing

    Ideal for users who need increased torque for hauling heavy loads, enhancing towing capacity significantly.

  • Off-Road Enthusiasts

    Perfect for off-road drivers seeking better traction and performance on challenging terrains like muddy or rocky paths.

  • Performance Upgrades

    Great choice for those looking to upgrade their vehicle's performance, providing a good balance between speed and torque.

Not Suitable For
  • Daily Commuters

    Not suitable for regular drivers prioritizing fuel efficiency over performance, as it may decrease miles per gallon.

  • Economy Vehicles

    Unsuitable for smaller or economy vehicles, as the specifications are designed for larger trucks and SUVs.

  • Stock Applications

    Users with unmodified vehicles may find no significant performance improvement, making this upgrade unnecessary for them.

Product Description

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Customer Questions & Answers

  • Question: What vehicles are compatible with this ring & pinion set?

    Answer: Compatible with select Chevrolet & GMC vehicles from 1964-1982, including models like C10, K10, and Blazer.
  • Question: What is the material of the gear set?

    Answer: The gear set is made from high-strength 8620 steel for superior durability.
  • Question: Is this set a direct replacement for OEM gears?

    Answer: Yes, it directly replaces OEM parts such as Richmond Gear 69-0204-1 and others for seamless installation.

Excel Differential Rings & Pinions ‎12BT410 Editorial Review

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Pros

  • Durable construction
  • Improves performance
  • Easy installation
  • Great for heavy loads
  • Smooth operation

Cons

  • Some might find it slightly noisy.

Product Price History

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