The Lexus GS430 Crankshaft converts piston thrust to a seamless rotational force that is the basis for the sedan's legendary combination of power and silk like ride. Forged high strength steel construction gives the Crankshaft an ability to shrug off the 300 horsepower punch of the 4.3 liter V8, not feeling flex at high rpm and maintaining perfect balance, a trait that helps the GS430 to reach sixty in six seconds without vibration. Each Crankshaft is driven in finely honed main journals, fed from pressurized oil, therefore, friction is kept low and temperatures are stable promoting long term reliability associated with Lexus by the driver. Factory testing within Lexus facilities ensures the Crankshaft withstands extreme thermal cycles without warping, adding strength to the confidence for daily and spirited use. The part mates perfectly with every production year of the GS430, from the early third generation introductions to the later facelift, with direct fit integrity and constant tolerances. Offset crank throws convert the combustion pulses of all eight cylinders into smooth torque, a task which is very important in terms of fuel efficiency, as a well balanced Crankshaft minimizes parasitic losses, allowing the engine to take full advantage of its VVT-i technology and obtain the ULEV status. Safety benefits also, as a stable rotating assembly reduces the effect of harmful harmonics that can stress adjoining parts, reducing the chances of sudden failure during busy highway merges or regular daily highway driving. Owners of the 2007 GS430 rave about the way the Crankshaft performs near silent operations, even after high mileage use, a hallmark of the Lexus quietness. Special features include micro polished Crankshaft journals and factory matched counterweights, elements which trim internal drag and maintain the oil film integrity even during hard cornering loads. By a combination of strength, precision and compatibility, the Crankshaft is unique in the high-end automotive arena, helping to reinforce the GS430 reputation for spirited yet refined performance while providing GS430 owners with the assurance that their Lexus sedan will be smooth, efficient and secure for hundreds of thousands of miles to come.
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