Specifications
- Brand
- Mahle
- Part #
- 4445MS-15
- UPC
- 4445MS-15

Mahle MS 4.440in+ .005in 1.5 1.5 3.0 mm File Fit Rings
$179.36
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Mahle MS 4.440in+ .005in 1.5 1.5 3.0 mm File Fit Rings. These file-fit rings allow for precise gap setting during engine rebuilds.
Key Features
- This is a Mahle piston ring set.
- Features a 1.5mm top ring, 1.5mm second ring, and 3.0mm oil control ring.
- The top and second rings are file-fit, allowing for custom gap setting.
- Rings are sized at 4.440 inches plus 0.005 inches.
- Standard tension rings are included in this set.
- 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
These Mahle piston rings are designed with a file-fit top and second ring, meaning you can precisely set the gap for your specific engine build. The set includes rings with a 1.5mm top ring, a 1.5mm second ring, and a 3.0mm oil control ring, all with standard tension. They are sized at 4.440 inches plus an additional 0.005 inches, giving you a bit of leeway for honing or specific clearance requirements.
Mahle is a well-known name in engine components, and this ring set is built for those who need a reliable, adjustable solution for their engine rebuild. The file-fit design is popular for custom performance builds or when working with engines that require very specific piston-to-wall clearances. It's important to note that these rings are not CARB approved and cannot be shipped to California.
Specifications
- Brand
- Mahle
- Manufacturer Part #
- 4445MS-15
- UPC
- 4445MS-15
Frequently Asked Questions
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Mahle MS 4.440in+ .005in 1.5 1.5 3.0 mm File Fit Rings




