Specifications
- Brand
- Mahle OE
- Part #
- 3021260
- UPC
- 027067933195

Mahle Rings Performance Napier THM-13 4.155 x .043 .135in RW Plain Ring Set
$48.05
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Mahle OE Piston Rings THM-13. For 4.155" bores, these Napier-style rings offer improved oil control.
Key Features
- Fits 4.155 inch bore.
- Top ring thickness is .043 inches.
- Oil ring thickness is .135 inches.
- Features a Napier-style top ring for improved oil control.
- Plain ring set construction.
Product Details
Mahle OE is known for making reliable engine components, and this Piston Ring Set is no exception. If you're rebuilding an engine and need a solid set of rings for a 4.155-inch bore, these THM-13 rings are a good choice. They feature a Napier-style top ring, which is designed to help with oil control by scraping oil from the cylinder wall as the piston moves down.
This set includes a .043-inch thick top ring and a .135-inch oil ring, providing a well-built setup for your engine's needs. They are a plain ring set, meaning they don't have special coatings, but they are made to OE specifications for a dependable performance. Remember, these rings are not CARB approved and cannot be shipped to California.
Specifications
- Brand
- Mahle OE
- Manufacturer Part #
- 3021260
- UPC
- 027067933195
Frequently Asked Questions
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Mahle Rings Performance Napier THM-13 4.155 x .043 .135in RW Plain Ring Set






