Specifications
- Brand
- Mahle OE
- Part #
- 3021291B
- UPC
- 027067006707

Mahle Rings Performance Steel Napier THM-13 4.010 x .043in .135RW Plain Ring Set (48 Qty Bulk Pack)
$266.94
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Mahle OE Performance Steel Napier piston ring set for 4.010in bore engines. Bulk pack of 48 rings.
Key Features
- Fits engines with a 4.010 inch bore.
- Features a Napier hook design on the second ring for improved oil control.
- Steel construction offers good durability and wear resistance.
- Ring thickness is .043 inches.
- Includes 48 individual ring sets, making it a bulk pack for builders.
- Mahle OE brand ensures a certain level of quality and performance.
Product Details
This is a bulk pack of 48 Mahle OE Performance Steel Napier piston ring sets, designed for engines with a 4.010 inch bore. These rings feature a Napier hook design on the second ring, which helps improve oil control and prevent blow-by, especially in high-performance applications. The steel construction offers good durability and resistance to wear.
Mahle is a well-known name in engine components, and this set is built to meet their standards for performance and reliability. The .043 inch thickness is a common size for many performance builds. This bulk pack is ideal for shops or builders who frequently work on engines requiring this specific ring size and configuration.
Specifications
- Brand
- Mahle OE
- Manufacturer Part #
- 3021291B
- UPC
- 027067006707
Frequently Asked Questions
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Mahle Rings Performance Steel Napier THM-13 4.010 x .043in .135RW Plain Ring Set (48 Qty Bulk Pack)






