Rustoleum makes a rattle can formula that works on plastic, metal and wood. I think I have a can or two in my shop...I just have to find it.

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1986 Dodge Ramcharger 440 2wd, Bracket Racer Under Construction
1998 Ram 2500 QuadCab, new daily driver.
2008 Honda Element
2014 Carry-On 7x14 Cargo Trailer