Quick back story: I bought these for a race motor in 2002, dropped them at the porters with a deposit for full port and polish. 15 months later I picked them up with 1 intake port mostly done. In 2006 I bought another head at summit, cleaned up the flashing only, had a fresh valve job done, and put them on my station wagon with a heavily milled RPM intake. The intake never sealed and it sucked oil out the galley. It fouled three sets of plugs in 4 months, so I changed the whole motor for a...
Stage 6 heads, intake,spacers,valley pan another of th
