Engine Tech The Next Generation Of Spec Racing Engines 002
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A hydraulic roller cam is a consistent feature with almost all the new spec motors we are seeing. Rollers eliminate the need to the special lubricants that flat tappet cams require and make easy power. Hydraulic lifters help absorb some of the shock that can damage valvetrain components and, in addition to being nearly maintenance free, help the entire valvetrain run smoother longer. View Related Article
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