Jims tappet adjuster hand tool verifies proper adjustment on most hydraulic tappets for Evolution and Twin Cam models. Tappet adjustment made easy! After adjusting the tappet simply insert the tip of this tool under the hydraulic unit retaining clip and above the pushrod seat. Similar to a Go/No-Go gauge if the tip does not fit between the clip and seat OR if there is up and down end play then the tappet is not properly adjusted. Only when the tip fits nicely with no end play is the tappet adjusted properly.
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