What does 'file fit' mean for piston rings?

File fit rings are designed so you can manually adjust the end gap to precisely match your engine's cylinder bore. This is crucial for proper sealing and oil control, especially in performance or rebuilt engines.

What is included in this piston ring set?

This set includes one top ring (1.0mm), one second ring (1.0mm), and one oil control ring (2.0mm). You will need to purchase multiple sets if your engine has more than one cylinder.

Can these rings be shipped to California?

No, these rings are not CARB approved and cannot be shipped to California due to emissions regulations.

Mahle File Fit Piston Rings 4095MS-112

Name: Mahle MS 4.090in +.005in 1.0mm 1.0mm 2.0mm File Fit Rings
Brand: Mahle
SKU: mahle-mahle-ms-4-090in-005in-1-0mm-1-0mm-2-0mm-file-fit-rings-t14-29779
Price: 183.28 USD
Availability: BackOrder

Mahle MS 4.090in +.005in 1.0mm 1.0mm 2.0mm File Fit Rings

$183.28

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Mahle MS file fit piston rings. Set includes 1.0mm, 1.0mm, and 2.0mm rings. Part# 4095MS-112.

Key Features

Mahle MS file fit piston ring set.
Includes 1.0mm top ring, 1.0mm second ring, and 2.0mm oil control ring.
File-fit design allows for custom gapping to match cylinder bore.
Designed for engine rebuilding and performance applications.
Manufactured by Mahle, 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

Secure CheckoutFast Shipping631-982-0042

Product Details

Mahle is a well-known name in engine components, often supplying parts for original equipment manufacturers. This set of Mahle MS file fit piston rings is designed for engine rebuilding projects where precise ring gap adjustment is needed. These rings are specifically made to be filed to the exact gap required for your engine's bore, offering a custom fit that can improve sealing and performance.

This particular set features a 1.0mm top ring, a 1.0mm second ring, and a 2.0mm oil control ring. The file-fit design means you'll need to carefully measure and file the ends of the rings to achieve the correct gap for your cylinder bore. This process is common when rebuilding engines to ensure optimal compression and oil control, especially in performance or custom applications. The rings are manufactured to Mahle's standards for reliable engine operation.

Please note that these rings are not CARB approved and cannot be shipped to California. Always refer to your engine's service manual for proper installation procedures and specifications when filing piston rings.