Hybrid Racing K-Series Timing Chain TensionerDespite being a fairly robust motor, k series engines have been found to have weak timing chain tensioners that fall victim to excessive wear when aftermarket cams are installed in the motor (and in some instances with stock cams). The fast ramp rate of aftermarket cams is the main cause of this. Unfortunately, without tearing the motor down after every use, it's almost impossible to detect a worn tensioner before it's too late. While installing a