What does 'plain ring' mean for a piston ring?

A plain ring refers to a piston ring with a simple, solid cross-section without any special coatings or complex shapes. This is a common and effective design for many engine applications, focusing on reliable sealing.

Why is the bore diameter important for piston rings?

The bore diameter specifies the exact size of the cylinder the piston and rings will fit into. Using rings with the correct bore diameter ensures a proper seal against the cylinder wall, which is crucial for compression and oil control.

What is the significance of the 1/16in thickness for the top ring?

The 1/16-inch thickness refers to the radial dimension of the top compression ring. This specific size is designed to fit into the corresponding groove on the piston and is critical for maintaining the correct tension and sealing ability within the combustion chamber.

Mahle OE Piston Rings 3010231B - 4.565in Bore

Name: Mahle Rings 4.565in Bore Dia 1/16in PC479 Top Rings Plain Ring Set (48 Qty Bulk Pack)
Brand: Mahle OE
SKU: mahle-oe-mahle-rings-4-565in-bore-dia-1-16in-pc479-top-rings-plain-ring-set-48-q-t14-50882
Price: 841.09 USD
Availability: BackOrder

Mahle Rings 4.565in Bore Dia 1/16in PC479 Top Rings Plain Ring Set (48 Qty Bulk Pack)

$841.09

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 4.565in Bore Dia 1/16in PC479 Top Rings Plain Ring Set (48 Qty Bulk Pack). Essential for engine rebuilds.

Key Features

This is a bulk pack containing 48 Mahle OE PC479 top piston rings.
Designed for a 4.565-inch cylinder bore diameter.
Features a 1/16-inch ring thickness for the top ring.
The rings have a plain ring design, a common and reliable configuration.
Mahle OE parts are built to meet original equipment specifications.
Not approved by CARB and cannot be shipped to California.

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Product Details

When you're rebuilding an engine, getting the piston rings right is critical for sealing the combustion chamber and ensuring proper oil control. This bulk pack of Mahle OE PC479 top rings is designed for a 4.565-inch bore, featuring a 1/16-inch thickness. Mahle is a well-known name in engine components, and these rings are built to meet the original equipment specifications for your application.

This set includes 48 top rings, making it a practical choice for shops or builders working on multiple engines or larger projects. The plain ring design is a common and effective configuration for many engine types. Proper installation is key; ensure the cylinder walls are honed correctly and the rings are seated properly to achieve optimal performance and longevity. These rings are designed to provide a solid seal between the piston and cylinder wall, which is essential for compression and preventing blow-by.

Because this item is not CARB approved, it cannot be shipped to California. Please verify fitment for your specific engine build before ordering. This bulk pack is a cost-effective solution for engine builders needing a significant quantity of high-quality top rings.