Cummins ISX Engine Jake Brake Feeler Gauge Shim 7MM Adjustment Tool Alternative to 3163530 High Quality non-slip Handle

Manufactured with high standard steel anodized black finish with great strength and a non-slip handle. Applicable for all Cummins ISX engine brake adjustment alternative to 3163530 Jake Brake Tool (7MM) feeler gauge or shim. The 7mm area is precision ground to +/- .0005 inch. Insert this tool between the slave pistons contact surface with the exhaust valve adjusting screw. The feeler gage must be inserted from the sides to clear the slave bridge.The lash adjustment must be performed on both slave piston adjustment screws on each cylinder.