Although the new reproduction steering wheel was a vast improvement over the junk that was there previously, there were two mold marks on the foam rim that would not clean up. I removed the wheel, masked the spokes, cleaned the rim, wet sanded the foam with 1000 grit, then applied SEM Landau black dye in several light coats. I then wet sanded between applications with 2000 grit paper. After repeating a few times, the marks finally disappeared, leaving an acceptable finish.
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1976 LeMans B09 Freeway Enforcer, 455/M40 Smokey
1977 Trans Am, 400/M21 Black/Gold Bandit. 44K actual miles
2017 Sierra SLT 1500 Z71 4X4
2019 Canyon SLT Crew 4X4