Unorthodox Racing Ultra Light aluminum flywheels have some key advantages over stock and other aftermarket units. Machining tolerances are extremely important when making a flywheel. Parallelism on our units are kept to within .001", the most accurate in the industry. Dowel pins are hardened steel units and all hardware is grade 8 (grade 10.9 metric equivalent), the highest grade of fastener available today. Torque plates are also included in applications where required and flywheels are checked for zero-balance before shipping. Our friction insert (heat shield) is a specially treated alloy steel with a surface that is much stronger than the stock flywheel. All inserts are CNC-machined instead of being quickly ground like most aftermarket units, and are replaceable on all the models we make if ever damaged.
All ring gears are heated before they are placed on the flywheel and then cooled to shrink them in place. In addition they are bolted to ensure the ring gear will never slip or come off the flywheel under any circumstances.
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