Specifications
- Brand
- Mahle
- Part #
- 4000MS-15D
- UPC
- 4000MS-15D

Mahle MS 4.000in 1.5mm 1.5mm 3.0mm Drop-In Rings
$158.86
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Mahle MS 4.000in 1.5mm 1.5mm 3.0mm Drop-In Rings. This set includes standard tension rings for a 4.000 inch bore.
Key Features
- This set includes standard tension drop-in piston rings.
- Designed for a 4.000 inch bore.
- Features a 1.5mm top ring.
- Includes a 1.5mm second ring.
- Comes with a 3.0mm oil control ring.
- 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
This Mahle ring set includes standard tension drop-in piston rings designed for a 4.000 inch bore. You get a 1.5mm top ring, a 1.5mm second ring, and a 3.0mm oil control ring, all ready to install without special tools.
Mahle is a well-known name in engine components, and these rings are built to meet the needs of engine rebuilds. The standard tension design ensures a good seal against the cylinder wall, helping to maintain compression and control oil consumption. This set is a solid option when you're rebuilding an engine and need reliable piston rings for a 4.000 inch cylinder bore.
Please note that these rings are not CARB approved and cannot be shipped to California. Always refer to your vehicle's specific service manual for detailed installation procedures and specifications.
Specifications
- Brand
- Mahle
- Manufacturer Part #
- 4000MS-15D
- UPC
- 4000MS-15D
Frequently Asked Questions
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Mahle MS 4.000in 1.5mm 1.5mm 3.0mm Drop-In Rings




