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Top End Noise - Rattling

A rattling or grinding noise coming from the mid-center and/or top of the engine most often indicates loose cam chains. The noise is more audible at lower engine RPM, or during deceleration. Read More...

Top End Noise Oiling - Oil Mod

Adding a properly designed and engineered top-end oil mod system provides many benefits to increase the life of the engine. Read More...

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