Specifications
- Brand
- Mahle OE
- Part #
- 3021217
- UPC
- 027067908261

Mahle Rings Performance Napier Steel 2nd Ring 4.075in x 1.0MM .136in RW Plain Ring Set
$40.04
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Mahle OE Piston Rings, Part# 3021217. Steel 2nd ring set for 4.075in bore.
Key Features
- Fits 4.075 inch bore engines.
- Features a performance Napier steel 2nd ring design.
- Second ring measures 1.0mm in thickness and .136 inch in width.
- Designed for improved oil control and reduced blow-by.
- Mahle OE brand offers well-built engine components.
Product Details
Mahle OE offers this performance Napier steel 2nd ring set, designed for a 4.075-inch bore. These rings are a key component in ensuring your engine seals properly, which is critical for maintaining compression and preventing oil from entering the combustion chamber. The Napier hook design on the second ring helps to improve oil control and reduce blow-by, especially under demanding conditions.
This set features a 1.0mm thickness for the second ring and a .136-inch width, making it a precise fit for specific engine builds. Mahle OE is known for well-built engine components, and this ring set is no exception, offering solid performance for rebuilds where reliability is important. Proper installation is key to their function, ensuring a good seal against the cylinder wall.
Specifications
- Brand
- Mahle OE
- Manufacturer Part #
- 3021217
- UPC
- 027067908261
Frequently Asked Questions
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Mahle Rings Performance Napier Steel 2nd Ring 4.075in x 1.0MM .136in RW Plain Ring Set






