High Performance Billet Rocker Arm Supports

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Stock

.030" over (Best for cams with more than .600" lift or valve stem protrusions over 2.030")

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Price: $338.99

Item Number: PTK-RArm

These super stong billet rocker arm supports are designed to withstand repeated high RPM runs and provides longevity to a serious Hot Rod street engine. Available in two configurations... Stock or .030" over. When performance headwork is done, sometimes the valve stem protrusion exceeds factory spec. Also, with high lift cams those conditions will position the rocker tip closer to the edge of the valve stem at full lift. One solution is roller rockers which can be noisy and very expensive. Our solution is to move the rocker arms out .030" so the rocker tip hits in the middle of valve stem. This prevents side loading of the valve stem. Fits Twin Cam® and Pro Twin Smooth Rocker Boxes.

The .030 over supports require the rocker shaft notch to be clearanced for the mounting bolt. The .030" offset moves the rocker shaft into the hole.

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