What is the primary function of these piston rings?

These Mahle OE piston rings are crucial for sealing the combustion chamber to maintain compression. They also play a key role in transferring heat from the piston to the cylinder wall and controlling oil consumption within the engine.

Why is this a bulk pack of 48 rings?

This bulk pack is designed for professional engine builders or shops that frequently work on multiple engines. It provides a convenient and cost-effective way to stock a significant quantity of high-quality piston rings for various projects.

Are these rings suitable for all engine types?

These specific rings are designed for a 4.505-inch bore diameter and feature a 1.2mm top ring. While they are a common configuration, always verify your engine's specifications against the product details to ensure proper fitment for your rebuild.

Mahle OE Piston Rings 1.2MM PC479 Top Ring Set 3010245B

Name: Mahle Rings 4.505in Bore Dia 1.2MM PC479 Top Rings Plain Ring Set (48 Qty Bulk Pack)
Brand: Mahle OE
SKU: mahle-oe-mahle-rings-4-505in-bore-dia-1-2mm-pc479-top-rings-plain-ring-set-48-qt-t14-50940
Price: 957.62 USD
Availability: BackOrder

Mahle Rings 4.505in Bore Dia 1.2MM PC479 Top Rings Plain Ring Set (48 Qty Bulk Pack)

$957.62

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 1.2MM PC479 Top Ring Set (48 Qty Bulk Pack). These top rings are designed for a 4.505in bore diameter.

Key Features

This is a bulk pack containing 48 individual ring sets.
The top rings feature a 1.2mm thickness.
Designed for a 4.505-inch bore diameter.
Features the PC479 top ring design.
Mahle OE is a well-known brand for engine components.

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Product Details

Starting with a 1.2mm thickness for the top ring, this bulk pack of 48 Mahle OE Piston Rings is built for serious engine work. These rings are specifically designed for a 4.505-inch bore diameter, making them a solid choice for engine rebuilds where precise fitment is critical. Mahle is a well-known name in engine components, and this set reflects their commitment to producing parts that meet the demands of engine builders and mechanics.

The PC479 designation indicates a specific design for the top ring, often featuring a plain ring configuration which is a common and reliable choice for many engine applications. This type of ring is known for its straightforward design and consistent performance. When you're rebuilding an engine, the piston rings are a crucial component for sealing the combustion chamber, transferring heat from the piston to the cylinder wall, and controlling oil consumption. Choosing a well-built set like these Mahle rings helps ensure the longevity and performance of your rebuilt engine.

This is a bulk pack containing 48 individual ring sets, making it ideal for shops or builders who handle multiple engine projects or work on larger displacement engines that might require more sets. While these rings are not CARB approved and cannot be shipped to California, they represent a dependable option for engine builds in other regions. Always refer to your specific engine's service manual for detailed installation procedures and specifications to ensure a proper rebuild.