Re: If you like destruction -
Yes, they are Edelbrock RPM oval port Marine heads, but not quite bolted on out of the box though. The marine heads don't come with valve springs. They had been ported, put on a flowbench (so I could get the cam spec'd to the heads) reassembled with Crower hardware (spings, retainers, locks) but re used the valves that came with the heads. The work on the heads was done at a shop, so I did not personally check the valves/guides. Once I get some more time, I'll disassemble the heads and try get a better look at the valve and the guide.
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Adam
1969 Chevy CST/10 stepside, DART Big M/TREMEC Magnum Extreme/3.73's w/Detroit Truetrac
1965 Chevy Bel Air Wagon (daily driver), 327/TH350,10 bolt w/3.08's
1961 Chevy Bel Air Sport Coupe, ZZ454/M21/9" rear w/3.50's & Detroit Truetrac
2005 GMC 1500 ccsb 2wd, 6.0L/4L65e/3.73 G80
2006 GMC 2500HD ccsb 4x4, DMax LBZ/Allison 6spd/4.56's w/Detroit TrueTrac
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