Not Ranked
We use some that we get machined by Angelucci - a CNC shop here in Detroit. I have pretty good luck with them, but some guys have had issues with OE cast heads. As for shims we just use valve spring shims - readily available in .015, .030, .060. with an .875 ID and a 1.200 OD.
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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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