Best Ring and Pinion Gears

1. USA Standard Ring & Pinion gear set for GM 8.5″ in a 3.73 ratio

The USA Standard Ring & Pinion gear set is a perfect fit for your GM 8.5″ or 8.6″ differential. It comes with a 3.73 ratio, ideal for improved performance. This set is easy to install and built to last.

This gear set features an 8.50″ ring gear diameter and a 30 spline pinion. It also includes 10 ring gear bolts for a secure installation.

With its precise engineering and high-quality materials, this gear set ensures smooth and reliable operation. Upgrade your vehicle’s performance with this top-notch product.

2. USA Standard Ring & Pinion gear set for GM 8.5″ in a 4.11 ratio

Upgrade your GM 8.5″ or 8.6″ axle with the USA Standard Ring & Pinion gear set. This high-quality set ensures a perfect fit and improved performance.

It features a 4.11 ratio, 30 spline pinion, and 10 ring gear bolts. The 8.50″ ring gear diameter is designed for durability.

This gear set is easy to install and built to last. It’s the ideal choice for enhancing your vehicle’s performance.

3. Yukon Gear & Axle 3.73 ratio 30 spline pinion Ring and Pinion Set for GM 8.5″ and 8.6″ differentials

Yukon Gear & Axle offers a 3.73 ratio ring and pinion set for GM 8.5″ and 8.6″ differentials. This set is designed for performance and durability. It’s a perfect upgrade for your vehicle.

The set includes a 30 spline pinion and a ring gear with 10 bolts. It has an 8.50″ ring gear diameter, ensuring a precise fit. Installation is straightforward and reliable.

This ring and pinion set enhances traction and power. It’s built to last and perform well. Upgrade your vehicle with Yukon Gear & Axle today.

4. 4.88 RING AND PINION GEARS & INSTALL KIT PACKAGE – DANA 30 TJ FRONT / D35 REAR

Upgrade your Jeep’s performance with the 4.88 Ring and Pinion Gears & Install Kit. This package is specifically designed for Dana 30 TJ front and Dana 35 rear axles, offering a precise gear ratio for improved off-road capabilities. The kit includes everything needed for a professional installation.

The high-strength pinion assembly features a 26-spline design with an 8-tooth pinion and a 39-tooth ring gear, ensuring durability and a perfect fit. It’s compatible with various carriers, making it a versatile choice for your vehicle.

With this complete kit, you’ll have all the essential components for a successful gear upgrade. It includes shims, seals, bolts, and compounds, allowing you to achieve a smooth and reliable installation, enhancing your Jeep’s off-road performance.

5. Motive Gear GM10-373A Differential Ring & Pinion Set, 3.73 Ratio, 30-Spline, 10-Bolt, Fits GM 8.5″/8.625″, Compatible for Chevrolet, GMC, Cadillac, Buick, Pontiac, Oldsmobile, Hummer, Isuzu Models

The Motive Gear GM10-373A is a differential ring and pinion set designed for GM 8.5″/8.625″ 10-bolt differentials. It offers a 3.73 ratio and 30-spline setup for enhanced torque and smooth performance. Perfect for daily and performance vehicles.

Made from premium 8620 steel, this set is built for extreme durability. It’s heat-treated for wear resistance and longevity, ensuring reliable performance under heavy loads and tough driving conditions.

This set is compatible with GM vehicles from 1970 to 2020, including Chevrolet, GMC, Cadillac, Buick, Pontiac, and Oldsmobile. It’s a direct fit with simple installation, replacing OE parts for factory-like performance.

6. CHEVY GM 8.5″ 10-Bolt Ring and Pinion 3.73 Ratio Gears & Master Bearing/Installation Kit

This is a brand new GM 8.5″ 10-Bolt Ring and Pinion set with a 3.73 ratio. It comes with a Master Bearing/Installation Kit, making it a complete package for your vehicle.

The Master Bearing/Installation Kit includes all essential components for a smooth installation. It has carrier bearings, pinion bearings, seals, shims, and bolts. These parts ensure a reliable and durable setup.

This kit is designed to fit stock carriers perfectly. It is not for aftermarket posi units with HD bearings. For those, you need to check other listings.

7. AMK 2 Sets Metal SCX10 III Bevel Gear, Ring Pinion Gear Set, 8T-24T 1/10 Capra Differential Axle Gears for RC Crawler Axial SCX10 Upgrades AR44 AR45 F9 (8T-24T)

Upgrade your RC crawler with the AMK 2 Sets Metal SCX10 III Bevel Gear. This set includes 2 ring gears and 2 pinion gears, perfect for 1/10 RC crawlers. It works well with Axial SCX10 III and Capra universal models.

The SCX10 III metal differential gears are made of high-strength steel. They are heavy-duty and not easy to break. The 8T-24T set replaces stock diff gears, giving your crawler a deceleration effect.

Get smoother performance with these well-crafted gears. They have a fine surface finish, ensuring no burrs or jamming. Your crawler will run smoothly with good meshing.

8. Motive Gear Differential Ring & Pinion Set, GM 7.5″/7.625″ IFS, 4.10 Ratio, 27-Spline, 10-Bolt, Compatible with Camaro, S10, Blazer, Astro, Colorado, Canyon, Caprice, Impala, El Camino (1973-2013)

The Motive Gear Differential Ring & Pinion Set is a performance upgrade for your vehicle. It’s designed for GM 7.5″/7.625″ differentials with a 4.10 ratio.

Made from heavy-duty 8620 steel, it ensures strength and durability. It operates smoothly and quietly, even under high loads.

This set fits many GM models from 1973-2013. It comes with a 1-year / 50,000-mile warranty for reliable performance.

9. National Drivetrain GM 8.625 8.5 Inch 3.73 Ratio Differential Ring and Pinion Gear Set + Master Bearing Kit for GM 8.5″ Rear ’70-’98 & Front ’77-’91 | 10 Bolt, 8620 Steel

Upgrade your vehicle’s performance with the National Drivetrain GM 8.625 8.5 Inch 3.73 Ratio Differential Ring and Pinion Gear Set. This durable set includes a master bearing kit for easy installation. It’s designed for GM 8.5-inch axles from 1970 to 1998 in the rear and 1977 to 1991 in the front.

The 3.73 gear ratio improves acceleration and towing power. Made from 8620 steel, it ensures long-lasting reliability for your vehicle.

10. Motive Gear GM10-373 Differential Ring & Pinion Set, 3.73 Ratio, 30-Spline, 10-Bolt, Fits GM 8.5″/8.625″, Compatible for Buick, Cadillac, Chevrolet, GMC, Oldsmobile, Pontiac

The Motive Gear GM10-373 is a high-quality differential ring and pinion set. It’s designed for GM 8.5″ and 8.625″ 10-bolt differentials, offering better torque and smooth performance.

Made from heavy-duty 8620 steel, it’s built to last. It’s heat-treated for strength and resists wear under tough driving.

This set is easy to install and fits many GM models (1970-2007). It’s a direct replacement for factory parts, ensuring reliable performance.