Specifications
- Brand
- Mahle OE
- Part #
- 3021302B
- UPC
- 027067052414

Mahle Rings Perf Napier Steel 2nd Ring 4.255in x 1.0MM .136in RW Plain Ring Set (48 Qty Bulk Pack)
$276.12
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Mahle OE steel Napier 2nd ring set for 4.255in bores. Bulk pack of 48 rings.
Key Features
- This is a bulk pack containing 48 Mahle OE steel Napier 2nd piston rings.
- Each ring measures 4.255 inches in bore diameter and is 1.0mm thick.
- The Napier hook design on the second ring aids in oil scraping and control.
- These rings have a plain finish and are constructed from durable steel.
- Designed for engine rebuilding and performance applications.
Product Details
Mahle OE is known for making solid engine components that meet original equipment standards. This bulk pack of 48 steel Napier 2nd rings is designed for engine rebuilding projects where you need a consistent, well-built part. The Napier hook design on the second ring helps it to scrape oil more effectively, which can improve oil control and reduce blow-by, especially in performance applications.
These rings are made from steel and feature a plain finish, indicating they are ready for installation without additional coatings. The 4.255-inch bore size is common in many larger displacement engines, and the 1.0mm thickness for the second ring is a standard dimension. Having 48 rings in a pack means you'll have plenty for multiple engines or for shops that frequently work on these types of builds.
Specifications
- Brand
- Mahle OE
- Manufacturer Part #
- 3021302B
- UPC
- 027067052414
Frequently Asked Questions
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Mahle Rings Perf Napier Steel 2nd Ring 4.255in x 1.0MM .136in RW Plain Ring Set (48 Qty Bulk Pack)






