What components are included in this Yukon Gear Minor Installation Kit?

This kit includes a pinion seal, a crush sleeve, a complete shim kit, and marking compound with a brush. These are the essential small parts needed for a differential gear setup when reusing existing bearings.

Can I reuse my old differential bearings with this kit?

Yes, this kit is specifically designed as a cost-effective solution for gear changes where the original bearings are still in good condition and can be reused. It provides the necessary components for setting up the new ring and pinion gears.

What is the purpose of the crush sleeve and shims in this kit?

The crush sleeve is used to set the correct preload on the pinion bearings, which is critical for bearing life and gear operation. The shims are used to adjust the position of the ring and pinion gears to achieve the proper gear mesh and backlash for quiet and efficient operation.

Yukon Gear Minor install Kit For GM 8.5in Oldsmobile 442 and Cutlass Diff

1 / 2

Specifications

Brand: Yukon Gear & Axle
Part #: MK GM8.5OLDS-31
UPC: 883584120582

Yukon Gear Minor install Kit For GM 8.5in Oldsmobile 442 and Cutlass Diff

Name: Yukon Gear Minor install Kit For GM 8.5in Oldsmobile 442 and Cutlass Diff
Brand: Yukon Gear & Axle
Price: 165.89 USD
Availability: InStock

$165.89

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Fits 1965-1981 Pontiac Catalina. Yukon Gear Minor install Kit for GM 8.5in differentials, essential for a smooth setup when reusing bearings.

Key Features

Fits 1965-1981 Pontiac Catalina, 1968 Oldsmobile 442, 1965-1971 Pontiac GTO, and 1968 Pontiac LeMans.
Designed for GM 8.5-inch differentials with 31-spline axles.
Includes a pinion seal, crush sleeve, and a complete shim kit for proper setup.
Comes with marking compound and brush to help visualize gear pattern.
A cost-effective solution for gear changes when bearings can be reused.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

Secure CheckoutFast Shipping631-982-0042

Will this fit your vehicle?

Product Details

When you're changing the ring and pinion gears in your 1965-1981 Pontiac Catalina, Oldsmobile 442, or GTO, and the original bearings are still in good shape, a Yukon Gear Minor Installation Kit is a smart way to go. This kit bundles the essential small parts you need for a clean, smooth differential setup without breaking the bank. It’s designed to work with the GM 8.5-inch differential that came in these classic cars, specifically those with 31-spline axles.

Inside this well-built kit, you'll find a new pinion seal to prevent leaks, a crush sleeve that sets your pinion bearing preload correctly, and a complete shim kit. These shims are crucial for getting the perfect gear mesh and backlash. Yukon also includes marking compound and a brush, which is a practical touch that helps you visualize the gear pattern for an accurate setup. Using these components ensures that your new gears mesh properly for quiet operation and long life.

This kit is a cost-effective solution when you don't need to replace all the bearings in your differential. It’s a popular choice for many rebuilds where the existing bearings are still sound, making the job more straightforward and less expensive.