Specifications
- Brand
- Mahle
- Part #
- 9400MS-12
- UPC
- 9400MS-12

Mahle MS 94.00 mm1.2 1.2 2.8 mm Drop In Rings
$99.02
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Mahle 94.00mm piston ring set. Part# 9400MS-12. Universal fit. Not CARB approved.
Key Features
- Fits 94.00mm bore size pistons.
- Features 1.2mm, 1.2mm, and 2.8mm groove dimensions.
- Mahle brand piston rings.
- Not CARB approved; cannot ship to California.
- Prop 65 warning applies.
⚠️ 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 is a Mahle piston ring set, measuring 94.00mm in diameter with specific groove dimensions of 1.2mm, 1.2mm, and 2.8mm. These rings are designed to be a direct replacement for your engine's original piston rings, helping to restore proper compression and oil control. Mahle is a well-known name in engine components, and this set is built to meet the needs of engine rebuilding or repair.
When you're rebuilding an engine, the piston rings are critical for sealing the combustion chamber and preventing oil from entering the cylinder. This set features the standard dimensions needed for many common engine applications, making them a solid option for getting your engine back in good working order. The specific groove sizes ensure compatibility with pistons designed for these ring dimensions.
It's important to note that this ring set is not CARB approved and cannot be shipped to California. Always refer to your vehicle's specific service manual for proper installation procedures and torque specifications.
Specifications
- Brand
- Mahle
- Manufacturer Part #
- 9400MS-12
- UPC
- 9400MS-12
Frequently Asked Questions
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Mahle MS 94.00 mm1.2 1.2 2.8 mm Drop In Rings




