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- EXCEL 12BC373 Ring & Pinion Set fit GM 8.875"...
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Item #:
126720065
EXCEL 12BC373 Ring & Pinion Set fit GM 8.875", 3.73 Ratio 30 Spline, Standard Fits GM 8.875" (12-Bolt) Differentials, Requires 3.90+ Carrier,
Item #:
126720065
USD 258
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
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In stock
Imported from USA store
QTY:
Order now and get it around Monday, August 24
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Premium 8620 Steel Construction: Provides exceptional strength for demanding applications.
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What Stands Out
Precision Engineering
Crafted with high-quality materials, the Richmond 12BC373 ensures durability and performance, enhancing the operation of 12 Bolt Cars in demanding conditions.
Optimized Gear Ratio
The 3.73 gear ratio optimizes torque delivery and acceleration, making it ideal for both street and track applications, significantly improving overall driving experience.
Easy Installation
Designed for straightforward installation, the Richmond Ring and Pinion minimizes downtime and enables quick upgrades, making it accessible for both professional mechanics and DIY enthusiasts.
Product Details
Who Should Buy?
-
Performance Enthusiasts
Ideal for those seeking improved acceleration and torque for enhanced driving experiences in modified vehicles.
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Off-Road Drivers
Great choice for off-road enthusiasts who need robust components for handling tough terrains and challenging conditions.
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Custom Build Projects
Perfect for builders customizing their GM vehicles to achieve specific handling characteristics and performance requirements.
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Stock Vehicle Owners
Not suitable for users looking to maintain factory specifications and avoid modifications in their vehicles.
Product Description
EXCEL 12BC373 Ring & Pinion Set fit GM 8.875", 3.73 Ratio 30 Spline, Standard Fits GM 8.875" (12-Bolt) Differentials, Requires 3.90+ Carrier, Replaces GM: 742H730C, Richmond, Yukon, Motive Gear
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What vehicles are compatible with this gear set?
Answer: Fits various GM models from 1964-1972, including Chevrolet, Oldsmobile, Pontiac, and Buick. -
Question:
What is the warranty on this product?
Answer: The product comes with a 1 Year / 50,000 Miles warranty for quality assurance. -
Question:
Does this set include everything needed for installation?
Answer: Yes, it includes the rear pinion seal for complete installation.
Excel Differential Rings & Pinions Editorial Review
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Pros
- Durable construction
- Improves gear ratio performance
- Compatibility with various models
- Easy installation process
- Affordable alternative
Cons
- Some customers report noise issues.
Platform Trust & Buyer Confidence
MA
Mohammad
Verified buyer
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
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Chitra
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“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
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kund
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“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
23-Jul-26 · via Trustpilot
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“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
22 July 2026 · via Trustpilot
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23 July 2026 · via Trustpilot
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USD 258
Order now and get it around Monday, August 24
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
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Features & Benefits
- High-performance gear set designed for durability and efficiency.
- Optimal 3.73 gear ratio balances torque and efficiency for both street and performance driving.
- Manufactured with heavy-duty 8620 steel for enhanced strength under stress.
- Includes rear pinion seal to prevent leaks and ensure long-lasting performance.
- Direct replacement compatible with classic GM models.
- 1 Year / 50,000 Miles warranty guarantees quality and reliability.
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