Mechanical Mastery
The rockers are unique high-ratio pieces, providing a mechanical advantage of 1.8:1, as opposed to the 1.7:1 found on other Gen III and IV engines. Trunions are rollerized, while the body is designed for extremely low inertia and high strength. To route the pushrod away from the intake port walls, the intake rocker (left) is offset by 9mm, eliminating the compromise normally imposed by the pushrod pinch restriction.
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