- Home Page /
- Automotive /
- Automotive Replacement Parts /
- Transmission & Drive Train /
- Differential Rings & Pinions /
- Richmond Gear 12BC373T 3.73 Ratio Ring & Pini...
0 ratings
Item #:
148423740
Richmond Gear 12BC373T 3.73 Ratio Ring & Pinion for GM 8.875" (12 Bolt) Car Fits Chevrolet Camaro, Chevelle, Impala, Pontiac Firebird, GTO
Item #:
148423740
MMK 991676
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
0 ratings
Write a review
In stock
Imported from USA store
QTY:
Order now and get it around Thursday, August 13
Secured transaction
Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
Our Top Logistics Partners
The EXCEL 4.10 Ratio Ring & Pinion Set is a premium upgrade for GM 8.875 (12 Bolt) rear axles, delivering superior strength, precise gear engagement, and enhanced power distribution for performance applications.
Fast
Shipping
Free
Return*
Secure Packaging
100% Original Products
PCI DSS Compliance
ISO 27001 Certified
Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
High Performance
Optimized 4.10 gear ratio enhances acceleration and torque, delivering superior performance for muscle cars like Chevelle, Camaro, and GTO, ensuring a thrilling driving experience.
Durable Construction
Engineered with high-strength materials for maximum durability, the 12BC410T gear set withstands extreme conditions, providing long-lasting reliability for enthusiasts and racers alike.
Easy Compatibility
Designed to fit multiple classic GM models, including Impala and El Camino, this gear set simplifies upgrades, making it perfect for muscle car restorations and performance enhancements.
Product Details
Who Should Buy?
-
Classic Car Enthusiasts
Ideal for restorations and upgrades of classic GM vehicles seeking improved performance and handling.
-
Performance Drivers
Perfect for those looking to enhance acceleration and responsiveness in their performance-oriented Chevy or Pontiac.
-
Drag Racers
Provides a suitable gear ratio for optimal performance on drag strips, improving acceleration times significantly.
-
Daily Commuters
Not ideal for everyday driving where fuel efficiency and smoothness are prioritized over performance.
Product Description
Richmond Gear 12BC373T 3.73 Ratio Ring & Pinion for GM 8.875" (12 Bolt) Car Fits Chevrolet Camaro, Chevelle, Impala, Pontiac Firebird, GTO (1964-1973) Durable 8620 Steel
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is the gear ratio of the EXCEL 12BC410T Differential Ring and Pinion Gear Set?
Answer: The EXCEL 12BC410T Differential Ring and Pinion Gear Set features a 4.10 gear ratio. This specific ratio is ideal for enhancing acceleration and performance, especially in muscle cars like the Chevrolet Chevelle, Camaro, and Impala. By optimizing torque delivery, it provides better responsiveness on the road or track, making it a popular choice among automotive enthusiasts. This ratio allows your vehicle to effectively balance speed and power, particularly beneficial in high-performance scenarios. -
Question:
Which vehicles are compatible with the EXCEL 12BC410T Differential Ring and Pinion Gear Set?
Answer: This gear set is designed to fit GM 8.875" (12 Bolt) differentials, making it compatible with classic cars like the Chevrolet Chevelle, Camaro, Impala, and El Camino. Such compatibility ensures that you can enhance your vehicle's performance without extensive modifications. Knowing the correct fitment helps simplify the installation process and optimizes gear performance tailored to your specific automobile model and engine setup. -
Question:
How does the installation process of the EXCEL 12BC410T gear set work?
Answer: Installing the EXCEL 12BC410T gear set requires mechanical skill and proper tools, as it involves precise alignment within the differential. It's advisable to follow a comprehensive installation guide or consult a professional mechanic for best results. By ensuring accurate installation, you maintain optimal performance and prevent premature wear. Correct installation allows you to tap into the full capabilities of your vehicle's differential, providing improved acceleration and handling. -
Question:
Can the EXCEL 12BC410T gear set improve fuel efficiency?
Answer: While the primary purpose of the 4.10 gear ratio in the EXCEL 12BC410T gear set is to enhance performance and acceleration, it may influence fuel efficiency depending on driving conditions. In low-speed scenarios or performance applications, the gear set can optimize engine RPM, potentially improving fuel efficiency under certain conditions. However, at highway speeds, the higher ratio may lead to increased RPMs and slightly lower fuel economy. Therefore, consider your driving style and environment when determining the impact on efficiency. -
Question:
What materials are used in the EXCEL 12BC410T Differential Ring and Pinion Gear Set?
Answer: The EXCEL 12BC410T gear set is constructed from high-quality alloy steel, designed for durability and longevity under high-stress conditions. This material choice contributes to its ability to withstand extreme forces and maintain structural integrity during aggressive driving. As a result, the gear set provides a reliable performance boost for enthusiasts, particularly when combined with high-torque engines, ensuring your vehicle remains robust under challenging driving scenarios. -
Question:
Is it necessary to change the differential fluid when installing the EXCEL 12BC410T gear set?
Answer: Yes, changing the differential fluid during the installation of the EXCEL 12BC410T gear set is crucial. New gears can produce metal shavings and contaminants that could wear down the differential over time if old fluid is not replaced. Additionally, using the correct type and quantity of lubricant ensures optimal performance and longevity of the new gear set. Thus, this step is essential for maintaining a healthy differential and ensuring smooth operation, particularly in performance-focused applications. -
Question:
What performance benefits can I expect from the EXCEL 12BC410T gear set?
Answer: The EXCEL 12BC410T gear set typically delivers improved acceleration, tighter cornering capabilities, and enhanced overall driving experience. With a 4.10 ratio, it allows for faster engine response, making it ideal for those who want a spirited drive or track performance. Especially in muscle cars, this performance boost can make a significant difference in both everyday driving and competitive scenarios, giving drivers a sportier feel and responsiveness. -
Question:
How do I choose the right differential gear ratio for my vehicle?
Answer: Choosing the right differential gear ratio depends on several factors such as engine power, tire size, and your performance goals. A 4.10 ratio, like the EXCEL 12BC410T gear set, is suitable for high-performance applications where acceleration is prioritized. Consider what outcomes you desire—whether it's better towing capacity, improved acceleration, or highway fuel economy. Consulting with automotive experts or performance forums can also provide valuable insights tailored to your specific vehicle setup. -
Question:
What is the weight of the EXCEL 12BC410T gear set?
Answer: The weight of the EXCEL 12BC410T Differential Ring and Pinion Gear Set typically falls around 15-20 pounds. The weight is overall manageable for most installations and contributes to the overall durability and performance of the gear set. Knowing the weight is important for participants in competitive racing environments where weight can impact performance metrics. The gear's robustness is indicative of its high-quality engineering designed for optimal performance. -
Question:
Where can I buy the EXCEL 12BC410T Differential Ring and Pinion Gear Set?
Answer: You can purchase the EXCEL 12BC410T Differential Ring and Pinion Gear Set from Ubuy in Myanmar. Ubuy offers a convenient online shopping experience with this specific gear set, ensuring that you receive a quality product suitable for your GM 8.875" (12 Bolt) differential. Shopping through Ubuy allows for easy access and reliable service to meet your automotive performance needs.
Excel Differential Rings & Pinions Editorial Review
No editorial reviews found
Customer Reviews & Ratings
1 customers ratings
-
5 Star
100%
-
4 Star
0%
-
3 Star
0%
-
2 Star
0%
-
1 Star
0%
Review this product
Share your thoughts with other customers
Pros
- Durable construction
- Reliable performance
- Easy to install
Cons
- Limited compatibility with some vehicles.
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
CK
Chitra
Verified buyer
“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
K
kund
Verified buyer
“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
23-Jul-26 · via Trustpilot
OO
Onesi
Verified buyer
“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
SJ
SAO JOHN
Verified buyer
“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”
23 July 2026 · via Trustpilot
Secure Checkout
Global Delivery
Easy Returns
Genuine Products
Product Price History
Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
- Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.
MMK 991676
Order now and get it around Thursday, August 13
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.)
QTY:
Secured transaction
PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
Our Top Logistics Partners
Fastest cross-border delivery
Features & Benefits
- Premium upgrade for GM 8.875 (12 Bolt) rear axles.
- Made from durable 8620 steel for superior strength and wear resistance.
- Optimized 4.10 gear ratio for improved acceleration and torque delivery.
- Compatible with classic Chevrolet, Pontiac, Buick, and Oldsmobile models from 1964-1973.
- Includes a 1-Year or 50,000-Mile Warranty for peace of mind.
- Precision-engineered for optimal performance in high-demand applications.
Ubuy Assurance
Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.