Wilkes Performance valve sweep gauge 10-degree lock

The Wilkes Performance valve sweep gauge helps in setting up th correct stand height position on shaft rocker systems. The gauge also helps check the pushrod length on stud mount roller rockers. Use this gauge with adjustable pushrod for a fast and trouble free way to get the rocker arm geometry spot on. Kit comes with 1 inch travel indicator, 10 degree valve locks, checker spring, custom indicator holder.