What does '0.040 inch undersize' mean for these piston rings?

This means the rings are manufactured to be 0.040 inches smaller in diameter than their standard size. This is used when the engine's cylinders have been bored out to a larger size during an engine rebuild to ensure a proper fit and seal.

Are these rings suitable for all AMC, Buick, and Jeep engines from the 1960s and 70s?

These rings are specifically designed for AMC 199, 232, and 258ci engines, and Buick 225ci engines. While they fit many International and Jeep models from that era, it's important to confirm your specific engine displacement and bore size match the application.

What is the benefit of using Mahle OE piston rings?

Mahle OE rings are developed with advanced technology to help reduce engine friction and minimize oil consumption. They are also designed to offer a longer service life compared to some other options.

Mahle OE Piston Rings 50668CP.030 - AMC/Buick/Jeep 199-258ci

Name: Mahle Rings AMC 199/232/258 Engs 64-87 Buick 225 Eng 64-67 Gray Int Trk Jeep Plain Ring Set
Brand: Mahle OE
SKU: mahle-oe-mahle-rings-amc-199-232-258-engs-64-87-buick-225-eng-64-67-gray-int-trk-t14-50714
Price: 60.45 USD
Availability: BackOrder

Mahle Rings AMC 199/232/258 Engs 64-87 Buick 225 Eng 64-67 Gray Int Trk Jeep Plain Ring Set

$60.45

On Backorder

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

Mahle OE Piston Rings 50668CP.030 for AMC 199/232/258 and Buick 225ci engines. These are 0.040 inch undersize rings for engine rebuilding.

Key Features

Fits 1964-1987 AMC 199, 232, and 258ci engines, 1964-1967 Buick 225ci engines, and various International and Jeep models.
This is a 0.040 inch undersize piston ring set.
Mahle OE rings are designed to reduce friction and minimize oil consumption.
They aim to provide a longer service life for your engine.
These are plain ring sets, meaning they are standard in design for their application.

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Will this fit your vehicle?

Product Details

If you're rebuilding the engine in your classic AMC, Buick, or Jeep, getting the right piston rings is crucial for proper sealing and oil control. These Mahle OE piston rings are specifically made for AMC 199, 232, and 258 cubic inch engines, as well as Buick 225 cubic inch engines from the mid-60s through the mid-80s. They are also a popular choice for many International trucks and Jeep models from the same era.

Mahle is known for making technically advanced rings that help reduce friction and oil consumption while aiming for a longer service life. This particular set is 0.040 inch undersize, which is important if your engine's cylinders have been bored out to match this size during a rebuild. Getting the correct ring size ensures a tight seal against the cylinder wall, which is key for good compression and preventing oil from getting into the combustion chamber.

When you're putting an engine back together, especially one from this period, using well-made components like these Mahle rings can make a big difference in how the engine runs and lasts. Make sure to check your cylinder bore size before ordering to confirm this 0.040 inch undersize set is the right fit for your rebuild project.