Roller Rocker Arms M8 17-24

There are extra stress issues that arise when big lift cams and high-pressure valve springs are installed.   it is essential that more durable components are used together to help you get the most out of your m8.Rocket cams forged roller rocker arms for m8 models are stronger, more durable and easier on the rest of your valvetrain, and are essential for increasing the longevity of your valvetrain components on cams with greater than.550" lift.