I just aquired a set of pistons for a 6.2L engine (M119) build I'm working on. The pistons have the usual carbon/crud buildup on the tops and I'm wondering what to use and how to use it to clean the tops... They are factory Kolbenschmidt but are 101.97mm, oversized. Don't want to scrape and score the tops but I want them a little cleaner. Is there something I can soak them in first? Any help is appreciated. Thanks!

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Mike
-W126C 560SEC 040 Black
*6.0L AMG M117 32v Hammer
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