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Richmond 12BC373 Ring and Pinion for 12 Bolt Car

Free shipping on orders over $29.99

$139.78

$ 64 .99 $64.99

In Stock
  • ✅ Heavy-Duty 8620 Steel – Enhances strength & durability under high-load conditions
  • ✅ 30-Spline Pinion Shaft – Ensures a precise fit for GM 8.875" (12-Bolt) differentials
  • ✅ Standard Rotation & 12-Bolt Design – Maintains factory driveline reliability & smooth performance
  • ✅ Direct OEM Replacement – Compatible with classic GM vehicles, requiring a 3.90 & higher carrier
  • 1-Year or 50,000 Miles Warranty


EXCEL from Richmond GM 8.875" Car Ring and Pinion Gear Set - 3.73 Ratio – High-performance gear set designed for durability, strength, and efficiency.

Features & Benefits:
  • Premium 8620 Steel Construction: Provides exceptional strength for demanding applications.
  • Optimized 3.73 Gear Ratio: Ideal balance of torque & efficiency for street & performance driving.
  • Precision Fit for GM 8.875" (12-Bolt) Differentials:
    • 30-spline pinion gear
    • 11-tooth pinion gear
    • 41-tooth ring gear
    • 12-bolt ring and pinion
    • 1.625-inch pinion shaft diameter
    • Standard rotation
    • Thin ring and pinion gear set requires 3.90 & higher carrier
  • Includes Rear Pinion Seal: Ensures proper sealing and prevents leaks for long-lasting performance.
  • Designed for Smooth, Quiet Operation.
🚗 Applications & Compatibility: 🔹 Fits GM 8.875" (12-Bolt) Differentials in the following models:
  • 1964-1973 Chevrolet Chevelle
  • 1967-1972 Chevrolet Camaro
  • 1965-1972 Chevrolet Impala
  • 1965-1972 Oldsmobile 98
  • 1965-1972 Pontiac GTO
  • 1965-1972 Buick Electra
  • 1970-1972 Pontiac Grand Prix
  • 1971-1972 Buick Skylark
  • 1971-1972 Oldsmobile Cutlass
  • 1965-1972 Pontiac LeMans
  • 1971-1972 GMC Sprint
  • And many more! Verify compatibility before purchase.
🔄 Replaces For:
  • SVL: 2023890
  • USA Standard Gear: 36168, ZG GM12P-373-4
  • Richmond Gear: 49-0096-1
  • Dorman: 697-138
  • Transtar Industries: 742H730C
  • Motive Gear: G888373T
  • Yukon Gear and Axle: YG GM12P-373-4
🛡 Warranty & Why Choose EXCEL from Richmond?
  • 🛡 Warranty: 1 Year / 50,000 Miles – Guaranteed quality & reliability.
  • Premium Performance: Ideal ring and pinion kit for restoration & performance upgrades.
  • 🚗 Perfect for GM Vehicles: Engineered to match OEM specifications, ensuring compatibility with pinion seal and rack pinion components.
Now with rear pinion seal included for complete installation! 🚗⚙ Let me know if you need any further refinements.

Chris
Reviewed in the United States on November 21, 2024
Package came and the parts look perfect visually. Now to see how they fit! Great deal!
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