My UIM is polished and hasn't been clear coated yet, so I HAVE to be careful with it. I was thinking about wrapping the runners/top with masking tape and cardboard. Rick pointed out that some just add duct tape on top and that has been fine.

2005 Ford F150 SuperCab FX4 1964 Chevrolet Impala SS 1998 CSVT: 354HP/328TQ @ 10 psi, now gone