What is the benefit of plasma moly coating on these rings?

The plasma moly coating on these steel rings offers improved wear resistance, which helps them last longer. It also contributes to a smoother break-in process, allowing the rings to seat properly against the cylinder wall more efficiently.

Are these rings suitable for all types of engine builds?

These rings are designed for engines with a 4.355-inch bore and are made from steel with a plasma moly coating for durability. They are a solid choice for many performance and standard engine rebuilds, but always verify they meet the specific requirements of your application.

What should I consider during installation?

Proper installation is critical. You'll need to pay close attention to setting the correct ring end gap, which is adjusted based on the cylinder bore size and expected operating conditions. Always refer to the manufacturer's installation instructions for precise details.

Mahle OE Piston Rings 4.355in Steel RW Ring Set 3011114B

Name: Mahle Rings Plasma Moly Steel Top Comp Ring 4.355in x .0625in .190in RW Ring Set (48 Qty Bulk Pack)
Brand: Mahle OE
SKU: mahle-oe-mahle-rings-plasma-moly-steel-top-comp-ring-4-355in-x-0625in-190in-rw-r-t14-47581
Price: 653.24 USD
Availability: BackOrder

Mahle Rings Plasma Moly Steel Top Comp Ring 4.355in x .0625in .190in RW Ring Set (48 Qty Bulk Pack)

$653.24

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 Plasma Moly Steel Top Comp Ring Set, 4.355in x .0625in x .190in. Bulk pack for engine builds.

Key Features

Fits engines requiring a 4.355-inch bore size.
Features a plasma moly coating for improved wear resistance and break-in.
Constructed from durable steel for strength under combustion pressure.
Ring dimensions are 0.0625 inches thick and designed for a 0.190-inch ring groove.
Bulk pack includes 48 rings, suitable for multiple engine builds or professional use.
Mahle OE quality ensures reliable performance for engine rebuilding.

This ring set is designed for engines with a 4.355-inch bore. Always confirm compatibility with your specific engine build before purchase.

Secure CheckoutFast Shipping631-982-0042

Product Details

If you're rebuilding an engine that requires a 4.355-inch bore, this bulk pack of Mahle OE Plasma Moly Steel Top Compression Rings is a solid choice. These rings are designed to seal the combustion chamber effectively, which is crucial for generating power and maintaining engine health. The plasma moly coating on these steel rings is a key feature, offering improved wear resistance and a smoother break-in process compared to plain cast iron rings. This means they can handle the heat and pressure of combustion while maintaining their sealing ability over time.

Mahle is a well-known name in engine components, and this set reflects their commitment to producing reliable parts. The steel construction provides strength, while the specific dimensions – a 4.355-inch bore size, a 0.0625-inch ring thickness, and a 0.190-inch ring groove depth – are critical for proper piston fitment. This bulk pack contains 48 rings, making it ideal for shops or builders working on multiple engines or those who want to have spares on hand. Proper installation is key; ensure you follow the manufacturer's guidelines for ring gap and orientation to get the best performance and longevity from these rings.

When installing these rings, pay close attention to the ring end gap, as this is adjusted based on the specific cylinder bore and operating conditions. A correctly gapped ring ensures proper sealing and prevents oil from entering the combustion chamber. While these rings are built for performance and durability, remember they are not CARB approved and cannot be shipped to California.