tools new jims compression release valve tool kit 750314 for proper installation ... of compression release valves zpn 750300 or zpn 741345 this tool kit ... is strongly recommended it will guide you in drilling the right holes depth ... instruction sheet jims solid carbide valve guide reamers trock valve travel ... checkers trock valve checkers are the most accurate tools ... available for measuring valve travel on all panhead shovelhead ... dial indicator with every individual valve checker so fixture and dial indicator ... be ordered separately fixtures 232540 for use with evolution bigtwin twin-cam and ... 1991 to present sportster heads 232544 for use with shovelheads 232545 for use ... 1990 evolution sportster heads 232546 for use with panheads these unique reamers ...