Will it work?

the67fish said

Be real handy to blast something on the car and not have to take it off as long as it isnt inside the car lol.

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Did this with the master cyl on my Doge Cummins. I had put a new one on it and meant to clearcoat it first. But time got away from me. I went back and spot blasted it on the truck, then cleared it right away. Worked great.