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The RAC-Rocker Arm of the Buick Rendezvous is one of the models that signify dependability and commencement in the Buick Rendezvous series, manufactured between the years 2002-2007. This essential part is very significant to the process of the engine operation and to the other Rendezvous models because it is responsible in transferring the motion from the pushrod to the intake and exhaust valves of the engine. Made of stamped steel or aluminum the Rocker Arm holds the necessary profile needed for turning the vertical movement into the required actuating force for the valves improving the general efficiency of the engine. The rocker ratio varies from 1.5:1 to 1.8:1, which increases the lift of camshaft adding up to the performance of the engine. Housed in the limb of the Rocker Arm is the roller rockers with needle bearings which minimizes friction resulting in less wear. Further, the bearings in the fulcrum are key upgrade elements for higher-RPM engines as these enable the corresponding overload while increasing both performance and durability at the same time. The Buick Rendezvous rocker arm does more than increase the engine's performance, but it is equally vital in keeping the valves secure and functioning correctly. It's integration with different Rendezvous models makes it to be unique in the automobile industry, in targeting customers who want to drive reliable and performing cars. In sum, the Rocker Arm is the testimony of Buick's dedication to the quality, which is absolutely essential for any car; and, in particular, for the Rendezvous.