Specifications
- Brand
- Mahle OE
- Part #
- 3021351
- UPC
- 027067205988

Mahle Rings Performance Steel Napier 2nd Ring 4.355in x .043 .135in RW Plain Ring Set
$51.64
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Mahle OE steel Napier 2nd ring set for 4.355in bore. Not CARB approved.
Key Features
- This is a Mahle OE steel Napier 2nd ring set.
- Designed for a 4.355 inch bore.
- Features a Napier hook design on the second ring for improved oil control.
- Ring thickness is .043 inches and groove depth is .135 inches.
- Constructed from plain steel for reliable sealing.
- Not CARB approved and cannot ship to California.
Product Details
This is a Mahle OE steel Napier 2nd ring set designed for a 4.355 inch bore. The Napier hook design on the second ring helps to improve oil control and prevent blow-by, which is crucial for engine performance and longevity. These rings are a plain steel construction, offering a solid option for engine rebuilds where reliable sealing is a priority.
The specific dimensions of this set are 4.355 inches in bore diameter with ring thickness of .043 inches and a groove depth of .135 inches. Mahle is a well-known name in engine components, and this set reflects their focus on providing functional parts for engine work. It's important to note that these rings are not CARB approved and cannot be shipped to California.
Specifications
- Brand
- Mahle OE
- Manufacturer Part #
- 3021351
- UPC
- 027067205988
Frequently Asked Questions
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Mahle Rings Performance Steel Napier 2nd Ring 4.355in x .043 .135in RW Plain Ring Set






