What does '0.030 undersize' mean for these piston rings?

This means the rings are manufactured to be 0.030 inches smaller in diameter than the standard size. This is typically used when the cylinder walls have been honed or bored out to a larger size during an engine rebuild to ensure a proper fit and seal.

Are these rings suitable for a performance build?

These Mahle OE rings are designed to meet original equipment specifications, focusing on reducing friction and oil consumption for reliable daily operation and longevity. While they are well-built, they are not specifically marketed as high-performance racing rings.

What is the primary benefit of using Mahle OE piston rings?

The primary benefits are reduced friction and minimized engine oil consumption. This leads to improved engine efficiency and contributes to a longer overall service life for your engine's internal components.

Mahle OE Piston Rings 50720.030 - Ford 428 Eng 66-70

Name: Mahle Rings Ford 428 Eng 66-70 Ford Ind Ford Trk 428 Eng 1969 Merc 428 Eng Plain Ring Set
Brand: Mahle OE
SKU: mahle-oe-mahle-rings-ford-428-eng-66-70-ford-ind-ford-trk-428-eng-1969-merc-428--t14-49763
Price: 122.65 USD
Availability: BackOrder

Mahle Rings Ford 428 Eng 66-70 Ford Ind Ford Trk 428 Eng 1969 Merc 428 Eng Plain Ring Set

$122.65

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 Ford 428 engines (1966-1970). Reduces friction and oil consumption for longer engine life.

Key Features

Fits 1966-1970 Ford 428 cubic inch engines.
Designed to meet original equipment requirements.
Helps minimize engine oil consumption.
Focuses on reducing friction for improved efficiency.
Contributes to a longer service life for engine components.
This set is 0.030 inches undersize for cylinder bore applications.

Secure CheckoutFast Shipping631-982-0042

Will this fit your vehicle?

Product Details

If you're rebuilding the engine in your classic Ford, Mercury, or Shelby vehicle from the mid-60s to early-70s, these Mahle OE piston rings are a solid choice. They're designed specifically for the 428 cubic inch engine found in a wide range of applications, from the Ford Mustang and Mercury Cougar to the Ford Country Squire and Shelby Cobra. These rings play a crucial role in sealing the combustion chamber, controlling oil consumption, and reducing friction within the cylinder, all of which contribute to your engine's overall performance and longevity.

Mahle has a reputation for making well-built engine components, and these rings are no exception. They are engineered to meet original equipment requirements, focusing on minimizing friction and reducing the overall mass of the ring assembly. This attention to detail helps to minimize engine oil consumption, ensuring that your engine runs cleaner and more efficiently. By reducing friction, these rings also contribute to a longer service life for your engine's internal components.

This set is for the 428 engine and is 0.030 inches undersize. When rebuilding an engine, it's important to ensure you have the correct size rings for your cylinder bore. These Mahle rings are a popular option for those looking to restore or rebuild their classic Ford or Mercury V8.