Specifications
- Brand
- Mahle
- Part #
- 4260MS-112
- UPC
- 4260MS-112

Mahle MS 4.255in +.005in 1.0mm 1.0mm 2.0mm File Fit Rings
$257.48
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Mahle MS file fit piston ring set. 1.0mm, 1.0mm, 2.0mm sizes. +.005 inch. Ring Set
Key Features
- This set includes file-fit piston rings for one piston, with a 1.0mm top ring, 1.0mm second ring, and 2.0mm oil ring.
- Designed for a 4.255 inch bore size.
- Rings are file-fit, allowing for custom end gap adjustment during installation.
- Standard tension rings are suitable for a wide range of engine applications.
- 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
This Mahle MS piston ring set includes all the rings you need for one piston, and you get a full set for your engine. The rings are designed for a 4.255 inch bore and are file-fit, meaning you'll adjust the end gap yourself during installation to achieve a precise fit. This set features 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 this set is built to perform. The file-fit design is common in performance and rebuild applications where achieving the exact ring-to-wall clearance is critical for proper sealing and engine health. This approach allows for a custom fit that can improve compression and oil control, especially in engines that have been bored or honed beyond standard sizes. Remember, these rings are not CARB approved and cannot be shipped to California.
Specifications
- Brand
- Mahle
- Manufacturer Part #
- 4260MS-112
- UPC
- 4260MS-112
Frequently Asked Questions
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Mahle MS 4.255in +.005in 1.0mm 1.0mm 2.0mm File Fit Rings




