What is the purpose of the plasma-moly coating on these piston rings?

The plasma-moly coating is applied using HVOF thermal spray technology. This advanced coating helps to reduce friction between the piston ring and the cylinder wall, which can improve engine efficiency and extend the life of both components.

Are these piston rings suitable for all engine types?

These are performance steel top rings designed for a specific bore size (4.175 inches) and groove width (0.143 inches). They are best suited for engine builds where durability and performance are key considerations. Always verify fitment and specifications against your engine's requirements.

What does the '48 Qty Bulk Pk' mean for my engine rebuild?

This means the set contains 48 individual top piston rings. This quantity is ideal for engine builders or machine shops that are working on multiple engines simultaneously or undertaking larger engine building projects.

Mahle OE Piston Rings 3011076B - Performance Plasma Steel

Name: Mahle Rings Perf Plasma Steel Top Ring 4.175in x 1.0MM .143in RW HVOF Moly Ring Set (48 Qty Bulk Pk)
Brand: Mahle OE
SKU: mahle-oe-mahle-rings-perf-plasma-steel-top-ring-4-175in-x-1-0mm-143in-rw-hvof-mo-t14-47871
Price: 560.03 USD
Availability: BackOrder

Mahle Rings Perf Plasma Steel Top Ring 4.175in x 1.0MM .143in RW HVOF Moly Ring Set (48 Qty Bulk Pk)

$560.03

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 performance plasma steel top piston rings. Set of 48 rings, 4.175in bore, 1.0mm thickness. Part# 3011076B.

Key Features

Set includes 48 top piston rings.
Designed for a 4.175-inch cylinder bore.
Each ring measures 1.0mm in thickness.
Features a 0.143-inch groove width.
Top ring is constructed from steel for strength.
Coated with plasma-moly using HVOF thermal spray technology for improved wear resistance and reduced friction.

This product is sold in a bulk pack of 48 rings and is designed for a 4.175-inch bore. Please consult your vehicle's service manual or an engine building professional to confirm compatibility with your specific engine application.

Secure CheckoutFast Shipping631-982-0042

Product Details

Mahle is a well-known name in the automotive industry, especially for their engine components. This set of performance plasma steel top piston rings is a prime example of their focus on engine building. These rings are designed for engines with a 4.175-inch bore, and each ring measures 1.0mm thick with a 0.143-inch groove width. They feature a plasma-moly coating applied using HVOF (High Velocity Oxygen Fuel) thermal spray technology, which is a robust method for applying wear-resistant coatings.

The plasma-moly coating on these top rings is crucial for durability and performance. It helps reduce friction between the piston ring and the cylinder wall, which can lead to improved engine efficiency and a longer lifespan for both components. The steel construction itself offers good strength and resilience, making these rings suitable for performance applications where engine stress is higher. This bulk pack contains 48 rings, making it ideal for engine builders or shops working on multiple engines or larger projects. The HVOF application ensures a dense, well-bonded coating that stands up to heat and wear.

When rebuilding an engine, the piston rings are a critical component that seals the combustion chamber and controls oil consumption. Choosing well-built rings like these from Mahle OE can make a significant difference in the overall health and performance of your engine rebuild. Always refer to your specific engine's service manual for proper installation procedures and ring gap specifications.