3163530 Engine Brake Adjustment Tools 7MM for Cummins ISX Engine Jake Brake Feeler Gauge Cummins ISX Engine Brake Adjustment Tool Jake Brake Feeler Gauge Alternative to 3163530 (7MM) Application: Works on Cummins ISX Engines Alternative to 3163530 (7MM) Jake Brake feeler gauge How to Use: Insert a 3163530 feeler gauge between the slave pistons contact surface with the exhaust valve adjusting screw. The feeler gauge must be inserted from the sides to clear the slave bridge. The lash adjustment must be performed on both slave piston adjusting screws on each cylinder. ( Note: Do not insert the feeler gage between the valve stem and the exhaust valve adjustment screw foot, incorrect lash will result.) Function: — A fast, easy and accurate way to check the valve clearance with this feeler gauge — Getting the clearance adjusted is crucial not only for great performance but also to avoid any unwanted catastrophic failures or engine blows. — Useful to keep engine noise down and keep your engine performing to its optimum level. Material: Quality Steel Construction Feature: — Non-slip handle for easy use — Saving time and labor, getting job easier Package Includes: 1PC Engine Brake Adjustment Tool (7.0MM)