Not Ranked
The Mahle coatings are nice parts - they use a phosphate dip on all surfaces and a graphite skirt coating. Not many ceramics are used in OE pistons. You will see hard coat anodizing on some stuff - but its actually to prevent ring microwelding and just easier to not bother masking off the top.
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Survival Motorsports
"I can do that....."
Engine Masters Challenge Entries
91 octane - single 4bbl - mufflers
2008 - 429 cid FE HR - 675HP
2007 - 429 cid FE MR - 659HP
2006 - 434 cid FE MR - 678HP
2005 - 505 cid FE MR - 752HP
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