What is the purpose of the plasma coating on these rings?

The plasma coating on these steel top rings is applied to enhance durability and wear resistance. This is especially important in high-performance or heavy-duty engines where the rings experience significant stress and friction.

What does HVOF Moly coating do?

The High-Velocity Oxygen Fuel (HVOF) Moly coating is designed to reduce friction between the piston ring and cylinder wall. This helps to improve engine efficiency, reduce wear, and aid in proper oil control.

Are these rings suitable for all engine builds?

These rings are specifically designed for a 4.250-inch bore and feature a 1.0mm top ring. They are best suited for performance or heavy-duty applications where durability and sealing are critical. Always confirm compatibility with your specific engine build and manufacturer recommendations.

Mahle Piston Rings 3011083B - Steel Top Ring Set

Name: Mahle Rings Perf Plasma Steel Top Ring 4.250in 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-4-250in-x-1-0mm-143in-rw-hvof-mo-t14-47861
Price: 1153.95 USD
Availability: BackOrder

Mahle Rings Perf Plasma Steel Top Ring 4.250in x 1.0MM .143in RW HVOF Moly Ring Set (48 Qty Bulk Pk)

$1153.95

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 steel top piston rings for 4.250in bore. Bulk pack of 48 sets.

Key Features

Fits 4.250 inch bore engines.
Top ring is 1.0mm thick.
Features a plasma-coated steel construction for durability.
HVOF Moly coating reduces friction and improves oil control.
Bulk pack includes 48 sets of piston rings.
Not CARB approved; cannot ship to California.

Secure CheckoutFast Shipping631-982-0042

Product Details

If you're rebuilding a high-performance engine or working on a fleet of vehicles that require top-tier piston rings, this bulk pack of Mahle Plasma Steel Top Rings is a solid choice. These rings are specifically designed for a 4.250-inch bore, a common size in many performance and heavy-duty applications. They feature a plasma-coated steel construction for improved durability and wear resistance, which is crucial for engines that see a lot of use or operate under demanding conditions.

The 1.0mm thickness of the top ring is a modern standard for many performance builds, offering a good balance of sealing and reduced drag. The HVOF (High-Velocity Oxygen Fuel) Moly coating on these rings helps to reduce friction and improve oil control, leading to better engine efficiency and longevity. This bulk pack contains 48 sets, making it an economical option for engine builders or shops that frequently work on engines requiring this specific ring size and type. Mahle is a well-known name in engine components, and these rings reflect their commitment to providing reliable parts for serious engine work.

When installing these rings, ensure you follow the manufacturer's recommended procedures for proper seating. Proper ring break-in is essential to achieve optimal performance and seal. Remember that these rings are not CARB approved and cannot be shipped to California.