PORC Off Road Products
4.10 Ring & Pinion Gear Set for Jeep CJ5 CJ7 CJ8 SJ J-Series AMC 20 | 8127072 | PORC Off Road Products
4.10 Ring & Pinion Gear Set for Jeep CJ5 CJ7 CJ8 SJ J-Series AMC 20 | 8127072 | PORC Off Road Products
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Restore factory drivetrain performance with an OE-style 4.10:1 ring and pinion gear set.
Designed for Jeep vehicles equipped with the AMC Model 20 rear axle, this precision-machined ring and pinion gear set features a 4.10:1 gear ratio to restore proper differential operation, dependable power transfer, and long-lasting drivetrain performance.
Quick Specs
- Part Type: Ring & Pinion Gear Set
- Axle: AMC Model 20 Rear Axle
- Gear Ratio: 4.10:1
- Application: Differential Rebuilds & Gear Ratio Changes
- Replacement Style: OE-Style Replacement
Vehicle Fitment
- 1976-1983 Jeep CJ-5 with AMC Model 20 Rear Axle
- 1976-1986 Jeep CJ-7 with AMC Model 20 Rear Axle
- 1981-1986 Jeep CJ-8 with AMC Model 20 Rear Axle
- 1980-1986 Jeep SJ & J-Series with AMC Model 20 Rear Axle
Part Numbers
- OE Part Number: 8127072
- Interchange Numbers: J8127072
Product Details
The ring and pinion gears determine your axle's final drive ratio and play a critical role in vehicle performance, torque delivery, and differential operation. Replacing worn gears or changing gear ratios during a differential rebuild helps restore smooth operation, proper gear mesh, and reliable power transfer.
Manufactured as an OE-style replacement, this precision-machined 4.10:1 ring and pinion gear set is engineered for dependable fit, durability, and long service life, making it an excellent choice for axle repairs, restorations, or complete differential rebuilds on compatible AMC Model 20 rear axle applications.
Package Contents
- 1 Ring Gear
- 1 Pinion Gear
Fitment Note
Please verify your axle model, gear ratio, and original part number before ordering to ensure proper fitment. Ring and pinion gear sets must match your differential application and intended gear ratio. Professional installation and gear setup are recommended to ensure proper backlash, bearing preload, and long-term performance.
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