What material are these piston rings made from?

These Mahle OE piston rings are made from grey iron. This material is chosen for its good wear resistance and ability to handle the heat and pressure found in an engine cylinder.

What does 'standard gap' mean for these rings?

A standard gap is suitable for most stock and mild performance engine applications. It allows for proper expansion and sealing under normal operating temperatures and pressures.

Why are these sold in a bulk pack of 48?

The bulk pack of 48 rings is intended for engine builders, machine shops, or individuals working on multiple engines or larger V-type engines that require a higher quantity of rings. This packaging makes them a more economical choice for high-volume needs.

Mahle OE Piston Rings 3021032B - Standard Gap

Name: Mahle Rings 3.9100in X 5/64in EW Grey Iron RBT Std Gap Second Ring Plain Ring Set (48 Qty Bulk Pack)
Brand: Mahle OE
SKU: mahle-oe-mahle-rings-3-9100in-x-5-64in-ew-grey-iron-rbt-std-gap-second-ring-plai-t14-52127
Price: 251.40 USD
Availability: BackOrder

Mahle Rings 3.9100in X 5/64in EW Grey Iron RBT Std Gap Second Ring Plain Ring Set (48 Qty Bulk Pack)

$251.40

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 gap piston rings. This bulk pack includes 48 grey iron rings for a 3.9100in bore.

Key Features

This product is a bulk pack containing 48 piston rings.
Designed for a 3.9100 inch bore size.
Features a standard gap for broad compatibility.
Constructed from grey iron for durability and heat resistance.
The second ring has a width of 5/64 inches.
Mahle OE is a trusted brand for engine components.

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Product Details

This is a bulk pack of 48 standard gap second ring sets from Mahle OE, designed for a 3.9100 inch bore. These rings are made from grey iron, a solid material known for its wear resistance and ability to handle heat well, making them a reliable choice for engine rebuilds. The 5/64 inch width is a common size for many piston applications. Mahle is a well-known name in engine components, and this set offers a practical solution for shops or builders who need a quantity of quality rings for multiple projects or a larger engine build.

The grey iron construction means these rings will seat well against the cylinder wall and hold up to the stresses of combustion. They feature a standard gap, which is suitable for most stock and mild performance applications. Because these are sold in a bulk pack of 48, they are ideal for engine builders or repair shops that frequently work on engines requiring this specific ring size and configuration. This makes them a cost-effective option when you need a significant number of rings.