JIMS® Tappet Adjustment Tool

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This hand tool simplifies the way to verify tappet adjustment. After adjusting the tappet, simply insert the tip of this tool under the hydraulic unit retaining clip, above the pushrod seat. Similar to a “Go No-Go Gauge”, if the tip doesn’t fit between the clip and the pushrod seat OR if there is up and down end play, then the tappet is out of adjustment. Use on most hydraulic tappets (not for use on solid or travel-limited tappets).