Specifications
- Brand
- Mahle OE
- Part #
- 3021214B
- UPC
- 027067908537

Mahle Rings Perf Napier Steel 2nd Ring 4.040in x 1.0MM .136in RW Plain Ring Set (48 Qty Bulk Pack)
$260.60
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Mahle OE performance Napier steel 2nd ring set for 4.040in bore. 1.0mm thickness. Direct fit.
Key Features
- Fits 4.040 inch bore.
- Features a Napier design for improved oil control and sealing.
- Made from durable steel for good heat resistance.
- Second compression ring with 1.0mm thickness and .136 inch back clearance.
- Bulk pack includes 48 rings.
Product Details
This is a bulk pack of 48 Mahle OE performance Napier steel second compression rings. They are designed for a 4.040-inch bore and feature a 1.0mm thickness with a .136-inch back clearance. These rings are a well-built option for engine rebuilds where precise ring sealing is critical.
The Napier design of the second ring helps to improve oil control and prevent blow-by by providing a more effective seal against the cylinder wall, especially during the power stroke. The steel construction offers good durability and heat resistance, making them suitable for performance applications. This bulk pack is ideal for shops or builders working on multiple engines or those who prefer to have extra parts on hand.
Specifications
- Brand
- Mahle OE
- Manufacturer Part #
- 3021214B
- UPC
- 027067908537
Frequently Asked Questions
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Mahle Rings Perf Napier Steel 2nd Ring 4.040in x 1.0MM .136in RW Plain Ring Set (48 Qty Bulk Pack)






