Specifications
- Brand
- Mahle OE
- Part #
- 3021328B
- UPC
- 027067203359

Mahle Rings Perf Steel Napier 2nd Ring 3.3661in x 1.2MM .135in RW Plain Ring Set (48 Qty Bulk Pack)
$216.10
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Mahle OE steel Napier 2nd ring set. Bulk pack of 48 rings, 3.3661in x 1.2MM. Not CARB approved.
Key Features
- Verified fitment for Mahle OE Piston Rings 3021328B.
- Features a Napier hook design on the second ring for improved oil control.
- Constructed from durable steel for reliable performance.
- Ring dimensions are 3.3661 inches in diameter and 1.2mm thick.
- Comes as a bulk pack containing 48 rings.
- Not CARB approved; cannot ship to California.
Product Details
Mahle is well-known for making solid OE replacement parts, and this bulk pack of 48 steel Napier 2nd rings is no exception. These rings are designed for engines where a reliable, well-built piston ring is crucial for performance and longevity.
This specific set features a Napier hook design on the second ring, which helps improve oil control and reduce blow-by by allowing oil to drain back into the groove more effectively. The 1.2mm thickness is a common specification for many performance and heavy-duty applications, ensuring a good seal against the cylinder wall. The steel construction offers durability for demanding use.
This is a bulk pack, so it's ideal for shops or builders who go through a lot of rings or are working on multiple engines. Remember that these rings are not CARB approved and cannot be shipped to California.
Specifications
- Brand
- Mahle OE
- Manufacturer Part #
- 3021328B
- UPC
- 027067203359
Frequently Asked Questions
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Mahle Rings Perf Steel Napier 2nd Ring 3.3661in x 1.2MM .135in RW Plain Ring Set (48 Qty Bulk Pack)






