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2008-2009 Pontiac G8 GT/GXP Mantic Clutch Ceremetallic Twin Disc Clutch
2008-2009 Pontiac G8 GT/GXP Mantic Clutch Ceremetallic Twin Disc Clutch
$2,445.00
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Perfect Circle LS1/LS6 Plasma-Moly Piston Ring Set
[315-0037]


$155.99
   Manufacturer:Perfect Circle
   Description:MAHLE, manufacturer of Perfect Circle® piston rings, is the largest manufacturer of piston rings in the world, leads the way in ring technology and innovation. Perfect Circle rings are at the forefront of both light and heavy vehicle piston ring technology. Extensive OE connections mean that Perfect Circle 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, MAHLE’s rededication to the Perfect Circle performance line proves that Perfect Circle should be the ring choice under every hood - regardless of the application.

Until recently, grey cast iron or ductile iron was the material of choice for automotive applications - today, steel is preferred over iron by more and more engine designers. 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 superior blow-by control while still lowering friction.

Perfect Circle's 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.

Piston ring specs are as follows:

  • 1st Comp Ring: 1.5mm
  • 2nd Comp Ring: 1.5mm
  • Oil Ring: 3.0mm
  • Standard Bore: 3.898"
This product was added to our catalog on Thursday 09 April, 2009.
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