Specifications
- Brand
- Mahle
- Part #
- 4095MS-112-1

Mahle MS 4.090in+.005in 1.0mm 1.0mm 2.0mm File Fit Rings
$32.15
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Mahle MS 4.090in+.005in 1.0mm 1.0mm 2.0mm file fit piston rings for engine rebuilds. Ensures a proper seal for optimal compression.
Key Features
- This is a single cylinder set of Mahle file-fit piston rings.
- The bore size is 4.090 inches with a +.005 inch oversize.
- Ring dimensions are 1.0mm for the top ring, 1.0mm for the second ring, and 2.0mm for the oil control ring.
- These rings feature standard tension and are designed for file-fitting to achieve a precise end gap.
- Mahle is a popular brand for engine components.
⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more
Product Details
When you're rebuilding an engine and need to ensure a solid seal between the piston and cylinder wall, a good set of piston rings is crucial. These Mahle file-fit rings are designed for a 4.090 inch bore with a +.005 inch oversize, giving you the flexibility to achieve a perfect fit during installation. The ring set includes a 1.0mm top ring, a 1.0mm second ring, and a 2.0mm oil control ring, all with standard tension.
Mahle is a well-known name in engine components, and these rings are built to perform. The file-fit design means you'll need to carefully file the end gap to the correct specification for your specific engine build, which allows for precise control over the seal. This is a single-cylinder set, so you'll need to order enough for all the cylinders in your engine.
Specifications
- Brand
- Mahle
- Manufacturer Part #
- 4095MS-112-1
Frequently Asked Questions
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Mahle MS 4.090in+.005in 1.0mm 1.0mm 2.0mm File Fit Rings




