Use on Cummins ISX engine for brake adjustment, alternative to 3163530 Jake Brake Tool (7MM) feeler gauge. The 7mm area is precision ground to +/- .0005 inch.
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.
Machined from high standard steel anodized black finish, anti-rust, providing a long-term service.
A fast, easy and accurate way to check the valve clearance with this feeler gauge. Getting the clearance adjusted is important for great performance, avoiding any unwanted failures or engine blows.