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| MAHLE Aftermarket news |
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New Issue "August 2009"  More |  | |
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3/10/2010
Supersession of Ring Set S41846 to S41890 with HVOF Coating
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3/10/2010
Release of Crankshaft 247-5228 for Cummins. 4.0165" Bore ISBE (OE#4980462)
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2/24/2010
New Caterpillar 3406E 221-2305 16.25:1 C.R. Crown , Sleeve Assembly and Ring Set
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MAHLE Original piston rings lead the way in ring technology and innovation for the Aftermarket – after all, MAHLE is the largest manufacturer of piston rings in the world. MAHLE Original rings (formerly Perfect Circle) are at the forefront of light vehicle piston ring technology. Extensive OE connections mean that MAHLE Original rings have the technological edge. Things like the CP-20 oil ring, narrow compression rings, steel compression rings for gasoline engines, low-tension oil rings and coated compression rings for diesels all came from the OE. Now, with the rededication of Perfect Circle to the MAHLE Original performance line proves that it should be the ring of choice under every hood - regardless of the application.
Grey cast iron or ductile iron was traditionally the material of choice for automotive applications - today, steel is preferred over iron by more and more engine builders. Steel compression ring technology, pioneered by the former Perfect Circle group, has been used in heavy-duty applications for over 30 years. That know how has become essential to the design and engineering of today's automotive engines.
Steel piston rings offer higher tensile strength, higher yield strength, greater fatigue life, and greater hardness while still offering a lower ring mass. These factors lead to better stress resistance, reduced groove pound-out, longer service life, better conformability, superior oil economy, and improved blow-by control while still lowering friction.
The MAHLE Original CP-20™ ring sets have raised the bar of quality regarding piston rings - plus their ease of installation makes them the premier choice for rebuilders everywhere. The CP-20 rings can withstand the harsh operating environments in today's engines. The CP-20 consists of a barrel-faced top compression ring for better seal and quicker break-in, a reverse torsional twist second ring for better oil control, and a new CP-20 design oil ring that is easier to install, chemically polished for better oil drain-back, and has a 20 degree ear angle to ensure side seal around the ring.
Whether you're repairing a modern computer controlled engine, or rebuilding an older engine, be sure to specify MAHLE Original piston rings - trusted by professional automotive technicians for over 100 years.
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