Specifications
- Brand
- Mahle OE
- Part #
- 3021371B
- UPC
- 027067275325

Mahle Rings Perf Steel Napier 2nd Ring 3.922in x 1.0MM .136in RW Plain Ring Set (48 Qty Bulk Pack)
$246.46
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Mahle OE Steel Napier Piston Ring Set. Bulk pack of 48 rings for engine builds.
Key Features
- This is a bulk pack containing 48 Mahle OE Steel Napier piston rings.
- Each ring measures 3.922 inches in diameter.
- The second ring has a 1.0mm thickness and a Napier hook design.
- The ring height is 0.136 inches.
- Constructed from steel for improved durability.
- Not CARB approved; cannot ship to California.
Product Details
This bulk pack gives you 48 Mahle OE Steel Napier piston rings, each measuring 3.922 inches in diameter with a 1.0mm second ring and a 0.136-inch ring height. These are designed for engine rebuilding applications where a large quantity of high-performance steel Napier rings are needed.
Mahle is a well-known name in engine components, and these rings are built with steel for durability. The Napier hook design on the second ring helps to improve oil control and prevent blow-by, which is crucial for maintaining engine performance and longevity. This set is ideal for shops or builders who frequently work on engines requiring this specific ring configuration.
Keep in mind that these rings are not CARB approved and cannot be shipped to California. Always refer to manufacturer specifications for proper installation and compatibility with your specific engine build.
Specifications
- Brand
- Mahle OE
- Manufacturer Part #
- 3021371B
- UPC
- 027067275325
Frequently Asked Questions
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Mahle Rings Perf Steel Napier 2nd Ring 3.922in x 1.0MM .136in RW Plain Ring Set (48 Qty Bulk Pack)






