Specifications
- Brand
- Mahle
- Part #
- 3922MS-112
- UPC
- 3922MS-112

Mahle MS 3.917in+.005in 1.0mm 1.0mm 2.0mm File Fit Rings
$183.28
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Mahle file fit piston rings. Set includes 1.0mm, 1.0mm, and 2.0mm rings.
Key Features
- File fit piston ring set for custom engine builds.
- Includes two 1.0mm rings and one 2.0mm ring.
- Standard tension rings designed for a precise seal.
- Requires filing to achieve correct cylinder bore clearance.
- Mahle is a trusted name in 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
Mahle is well-known for its engine components, and this set of file fit piston rings is a solid option for engine rebuilds. These rings are designed to be precisely fitted to your pistons during installation, allowing for a custom seal that can improve performance and longevity. The set includes three different ring sizes: two 1.0mm rings and one 2.0mm ring, all designed for standard tension applications.
The file fit design means you'll need to carefully measure and file the end gap on each ring to achieve the correct clearance for your specific cylinder bore. This process is crucial for ensuring a proper seal against the cylinder wall, which helps prevent blow-by and oil consumption. While this requires a bit more work during assembly compared to pre-gapped rings, it offers the advantage of a more tailored fit for your engine. Remember, these rings are not CARB approved and cannot be shipped to California.
Specifications
- Brand
- Mahle
- Manufacturer Part #
- 3922MS-112
- UPC
- 3922MS-112
Frequently Asked Questions
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Mahle MS 3.917in+.005in 1.0mm 1.0mm 2.0mm File Fit Rings




