Specifications
- Brand
- Mahle OE
- Part #
- 3021323B
- UPC
- 027067203304

Mahle Rings Perf Steel Napier 2nd Ring 3.3071in x 1.2MM .135in RW Plain Ring Set (48 Qty Bulk Pack)
$229.52
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Mahle OE steel Napier piston rings. Bulk pack of 48 rings for engine builds. Not CARB approved.
Key Features
- Fits various engine applications requiring 3.3071 inch diameter piston rings.
- Steel construction for durability in engine builds.
- Napier hook design on the second ring aids in oil control and blow-by.
- Second ring measures 1.2mm thick and .135 inches in height.
- Plain finish for direct installation.
- Bulk pack contains 48 rings, ideal for multiple engine projects.
Product Details
Mahle is known for making solid engine components, and these steel Napier 2nd ring sets are a good example of their work. If you're rebuilding an engine, especially one where you need a lot of rings for multiple builds or a fleet, this bulk pack of 48 rings can be a practical choice. The Napier hook design on the second ring helps with oil control and blow-by, which is important for engine health and performance.
These rings are made from steel and feature a 1.2mm thickness for the second ring, with a .135-inch height. The plain finish means they are ready to install as-is. Because they are sold in a large quantity, they are well-suited for shops or serious DIYers tackling multiple engine projects. Remember that these rings are not CARB approved and cannot be shipped to California.
Specifications
- Brand
- Mahle OE
- Manufacturer Part #
- 3021323B
- UPC
- 027067203304
Frequently Asked Questions
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Mahle Rings Perf Steel Napier 2nd Ring 3.3071in x 1.2MM .135in RW Plain Ring Set (48 Qty Bulk Pack)






