Specifications
- Brand
- Mahle
- Part #
- 8650MS-12
- UPC
- 8650MS-12

Mahle MS 86.50 mm1.2 1.2 2.8 mm Drop In Rings
$99.02
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Mahle 86.50mm piston ring set with 1.2mm, 1.2mm, and 2.8mm ring thicknesses. A solid option for engine rebuilds.
Key Features
- Fits 86.50 mm bore sizes.
- Features a 1.2 mm top ring.
- Includes a 1.2 mm second ring.
- Equipped with a 2.8 mm oil ring.
- Mahle brand piston rings.
⚠️ 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 precisely sized at 86.50 mm for the bore, with a 1.2 mm top ring, 1.2 mm second ring, and a 2.8 mm oil ring. This specific sizing is critical for proper sealing between the piston and cylinder wall, which directly impacts engine performance and efficiency. Mahle is a well-known name in engine components, and this set is built to meet the demands of an engine rebuild.
The construction of these rings is designed for durability and consistent performance. The top and second rings are engineered to create a tight seal under combustion pressure, preventing blow-by and maintaining compression. The oil ring works to scrape excess oil from the cylinder walls, reducing oil consumption and preventing it from entering the combustion chamber. This attention to detail in material and design helps ensure a long service life for your engine.
When rebuilding an engine, choosing the right piston rings is essential for the overall health and longevity of the powerplant. This Mahle set offers a well-built solution for many engine applications where this specific bore size and ring configuration is required.
Specifications
- Brand
- Mahle
- Manufacturer Part #
- 8650MS-12
- UPC
- 8650MS-12
Frequently Asked Questions
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Mahle MS 86.50 mm1.2 1.2 2.8 mm Drop In Rings




