What is the primary benefit of plasma moly ductile iron rings?

Plasma moly ductile iron top rings offer improved wear resistance compared to standard cast iron. This means they can last longer and maintain a better seal over time, especially in demanding applications.

What does 'standard tension' mean for these rings?

Standard tension rings are designed to provide a balanced seal against the cylinder wall. They offer a good compromise between sealing ability and the friction they generate, making them suitable for a wide range of engine builds.

Are these rings suitable for all engine builds?

This set is designed for a 4.030-inch bore and standard tension applications. It's important to confirm your engine's bore size and the manufacturer's recommendations for ring tension and type for your specific rebuild.

Mahle OE Piston Rings 3150184.035 - 4.030in Bore

Name: Mahle Rings 4.030in Bore .043in 3/16in Plasma Moly Duct. Std Tension Reduced Radial Moly Ring Set
Brand: Mahle OE
SKU: mahle-oe-mahle-rings-4-030in-bore-043in-3-16in-plasma-moly-duct-std-tension-redu-t14-51919
Price: 182.95 USD
Availability: BackOrder

Mahle Rings 4.030in Bore .043in 3/16in Plasma Moly Duct. Std Tension Reduced Radial Moly Ring Set

$182.95

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 standard tension piston ring set for 4.030in bore engines. Features plasma moly duct for improved durability.

Key Features

Fits engines with a 4.030-inch bore.
Standard tension ring set.
Top rings are plasma moly ductile iron for improved wear resistance.
Reduced radial tension design helps minimize friction.
Designed for reliable engine sealing and performance.

This piston ring set is designed for engines with a 4.030-inch bore. Please verify your engine's bore size before ordering. Not CARB approved; cannot ship to California.

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Product Details

If you're rebuilding the engine in your classic muscle car or a workhorse truck, getting the right piston rings is crucial for proper sealing and performance. This Mahle OE standard tension ring set is designed for a 4.030-inch bore, featuring plasma moly ductile iron top rings. These rings are built to handle the demands of a freshly rebuilt engine, ensuring a solid seal between the piston and cylinder wall.

Mahle has been a trusted name in engine components for a long time, and this set reflects that. The plasma moly ductile iron construction on the top ring offers improved wear resistance compared to standard cast iron, which is important for the longevity of your rebuild. The reduced radial tension design helps minimize friction, contributing to better efficiency and a smoother running engine. This set is a well-built option for anyone looking to get their engine back to spec with reliable parts.

When installing these rings, remember to check your manufacturer's service manual for the correct ring gap specifications for your specific application. Proper installation is key to ensuring these rings perform as intended and last for many miles to come.