12BC373T Richmond Gear 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
12BC373T Richmond Gear 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
12BC373T Richmond Gear 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
12BC373T Richmond Gear 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
12BC373T Richmond Gear 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
12BC373T Richmond Gear 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
12BC373T Richmond Gear 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
12BC373T Richmond Gear 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
12BC373T Richmond Gear 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
12BC373T Richmond Gear 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

100% authentic products

Guaranteed genuine quality

Secure checkout

Safe & encrypted payments

Fast shipping

Quick and reliable delivery

Hassle-free returns

Easy returns if needed

Customer First

Your satisfaction matters

Verified Sellers

Carefully selected suppliers
Home / Automotive / Replacement Parts / Differential Rings & Pinions

12BC373T Richmond Gear 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

$247.99 USD

✓ No hidden fees — taxes included in the price & Free Shipping.

✓
Get 5% OFF Today
Use this coupon at checkout.
TRY5
Brand : Richmond Gear/Motive Gear
3.73 Ratio Ring & Pinion for GM 8.875" (12 Bolt) Car fits various Chevrolet and Pontiac models.
Out of stock
Quantity :
Top Brands. Best Prices. Fast Shipping.

Discover quality parts and accessories for every adventure

Shop now before stocks run out — smart shoppers move fast!

Explore Now

Product Comparison We Made Easy For You

12BC373T Richmond Gear 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
12BC373T Richmond Gear 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
View Detail
Type
Differential Rings & Pinions
Title
12BC373T Richmond Gear 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
Price
$247.99 USD
Vendor
Richmond Gear/Motive Gear
Description
EXCEL from Richmond 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 – 1-Year/50K-Mile Warranty.Upgrade your classic GM muscle car or full-size vehicle with the 3.73 Ratio Ring & Pinion Set from Richmond.Designed for GM 8.875" (12 Bolt) rear differentials, this precision-engineered gear set delivers power transfer, improved acceleration, and drivetrain efficiency.

More about this item : 12BC373T Richmond Gear 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

EXCEL from Richmond 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 – 1-Year/50K-Mile Warranty.

Upgrade your classic GM muscle car or full-size vehicle with the 3.73 Ratio Ring & Pinion Set from Richmond.

Designed for GM 8.875" (12 Bolt) rear differentials, this precision-engineered gear set delivers power transfer, improved acceleration, and drivetrain efficiency.

12BC373T Richmond Gear 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
Key Features
  • ✅ 3.73 Ratio Ring & Pinion for GM 8.875" – Precision-engineered for classic GM muscle cars and full-size vehicles.
  • ✅ Requires a 3.07 to 3.73 Carrier – Specifically designed to fit 12-bolt GM 8.875” rear differentials.
  • ✅ Durable 8620 Steel Construction – Built for strength and longevity, this ring and pinion set resists wear.
  • ✅ Ideal for Performance & Restoration – Designed for classic GM models, providing smooth power transfer.
  • ✅ 1-Year / 50,000-Mile Warranty – Backed by EXCEL from Richmond, ensuring quality and durability.
  • ✅ Fits Various GM Models – Compatible with Chevrolet and Pontiac vehicles from 1964 to 1973.
Technical Specifications
  • Length : 15.0 lb
  • Width : 11.0 lb
  • Height : 5.25 lb
  • Weight : 16.25 lb
Product Identifiers
  • ASIN B003TPYGSU
  • UPC: 698231754047
Shipping Information
  • Ships From : United States
  • Brand : Richmond Gear/Motive Gear

Frequently Asked Questions About : 12BC373T Richmond Gear 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

01 What is the gear ratio of this ring and pinion?

The gear ratio is 3.73.

02 What type of steel is used in this product?

It is made of durable 8620 steel.

03 Which vehicles are compatible with this ring and pinion?

It fits Chevrolet Camaro, Chevelle, Impala, Pontiac Firebird, and GTO from 1964-1973.

More to Explore

Free Shipping on Every Order

Get Free Shipping on Every Order

Return within 15 days

Return your purchase easily within thirty days.

Quality Assurance

Every product tested for guaranteed premium quality.

24/5 Customer Support

Monday – Friday: 9:00 AM – 6:00 PM (EST) - Email : info@trybeepbeep.com