Specifications
- Brand
- Mahle OE
- Part #
- 3021249B
- UPC
- 027067929464

Mahle Rings Perf Steel Napier THM-13 4.505in x .043in .135 RW Plain Ring Set (48 Qty Bulk Pack)
$395.48
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Mahle OE Performance Steel Piston Rings THM-13. Set of 48 rings, 4.505in bore size.
Key Features
- This is a bulk pack containing 48 sets of piston rings.
- Features a Napier hook design on the top ring for improved oil control.
- Constructed from durable steel for long-lasting performance.
- Top ring thickness is .043 inches, and the second ring is .135 inches.
- Designed for a 4.505 inch bore size.
- Mahle OE is a popular brand for engine components.
Product Details
These Mahle Performance Steel Piston Rings feature a Napier hook design in the top ring, which helps improve oil control and reduce blow-by, especially under demanding conditions. The rings are constructed from durable steel and measure 4.505 inches in bore size with a .043 inch thickness for the top ring and .135 inch for the second ring. This bulk pack contains 48 sets, making it a solid option for engine builders or shops working on multiple projects.
The Napier hook design is a notable feature that helps the top ring "hook" oil and scrape it down the cylinder wall, ensuring proper lubrication while also creating a tighter seal. This construction contributes to improved engine performance and longevity. Mahle OE is a well-known name in engine components, and these rings are built to meet the needs of performance applications.
Specifications
- Brand
- Mahle OE
- Manufacturer Part #
- 3021249B
- UPC
- 027067929464
Frequently Asked Questions
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Mahle Rings Perf Steel Napier THM-13 4.505in x .043in .135 RW Plain Ring Set (48 Qty Bulk Pack)






