
Specifications
- Brand
- Mahle
- Part #
- 4035MS
- UPC
- 4035MS

Mahle MS 4.030in+ .005in 1/16in 1/16in 3/16in File Fit Rings
$118.05
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Mahle MS 4.030in+ .005in 1/16in 1/16in 3/16in File Fit Rings. These file-fit rings are designed for custom engine builds.
Key Features
- Mahle MS file-fit piston ring set.
- Ring dimensions are 1/16", 1/16", and 3/16".
- Standard tension design.
- Oversized by +.005 inches for custom fitting.
- Designed for universal engine applications.
- Not CARB approved; cannot ship to California.
⚠️ 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 making solid engine components, and these MS file-fit piston rings are a good example of their work. If you're rebuilding an engine and need rings that you can precisely fit to your cylinders, these are a popular choice. They come in a standard tension design, which works well for many applications.
The dimensions on these rings are 1/16 inch for the top two rings and 3/16 inch for the oil ring. They are also +.005 inches oversized, meaning they are designed to be filed down to achieve a perfect gap for your specific cylinder bore. This file-fit style is crucial for custom engine builds where exact tolerances are needed for optimal performance and sealing.
Keep in mind that these rings are not CARB approved and cannot be shipped to California. Always refer to the manufacturer's instructions for proper installation and filing techniques to ensure the best results for your engine build.
Specifications
- Brand
- Mahle
- Manufacturer Part #
- 4035MS
- UPC
- 4035MS
Frequently Asked Questions
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Mahle MS 4.030in+ .005in 1/16in 1/16in 3/16in File Fit Rings




