IAG Performance V2 Competition Series Timing Belt TensionerThe latest OEM Subaru tensioners work well for mild performance applications, but when used on vehicles with sequential transmissions or on high revving engines, the tensioner may lose its ability to control the belt. This would, in turn, cause the engine to skip time. If your engine skips time the repair might be as simple as resetting the belt. However, in some cases, this can cause catastrophic engine failure. In the past few years, our Subaru GD