What does 0.020 inch undersize mean for these piston rings?

This means the rings are manufactured to be 0.020 inches smaller in diameter than the standard bore size. They are intended for use when the engine cylinders have been bored out and honed to a matching 0.020 inch oversize to ensure a proper fit and seal.

Do these rings come with installation instructions?

While these rings are designed for a direct fit on compatible engines, it is always recommended to refer to the manufacturer's installation guidelines or a service manual for the correct procedures, especially regarding cylinder preparation and ring gap settings.

Are these rings suitable for all AMC, Buick, and Jeep engines from the specified years?

These rings are specifically designed for AMC 199, 232, and 258 engines, Buick 225 engines, and certain Jeep models within the 1964-1988 range. It's important to verify the exact engine displacement and model year against the full fitment data to ensure compatibility.

Mahle OE Piston Rings 50668CP.020 - AMC/Jeep/Buick Engines

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-t14-50713
Price: 53.00 USD
Availability: BackOrder

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

$53.00

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 for AMC 199/232/258, Buick 225, and Jeep engines. These are 0.020 inch undersize rings for engine rebuilding.

Key Features

Fits AMC 199, 232, and 258 engines, Buick 225 engines, and various Jeep models from 1964-1988.
These are 0.020 inch undersize piston rings, intended for use with cylinders honed to match.
Mahle OE rings are designed to meet original equipment requirements for reduced friction and oil consumption.
Aims for longer service life and proper engine sealing for improved performance.
Includes rings for a complete engine rebuild on compatible vehicles.

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Will this fit your vehicle?

Product Details

If you're rebuilding the engine in your classic AMC, Jeep, or Buick, a fresh set of piston rings is key to getting it running right. These Mahle OE piston rings are designed to fit AMC 199, 232, and 258 cubic inch engines, Buick 225 engines, and a range of Jeep applications from 1964 through 1988. They are specifically sized at 0.020 inches undersize, which is important when you're honing the cylinders to match.

Mahle is known for making technically advanced piston rings that focus on reducing friction and oil consumption while aiming for a longer service life. These rings are built to meet original equipment requirements, meaning they should install and function as the factory intended. Getting the right fit and sealing is crucial for proper compression and engine performance, especially in older engines where wear is a factor.

This set includes the necessary rings for a complete engine rebuild on compatible vehicles. Always ensure your cylinder bores are properly measured and honed to the correct size for these 0.020 inch undersize rings before installation.