NewsBot
06-03-2010, 11:27 AM
Edelbrock has developed a new set of cylinder heads for 427-572 cid Big Block Chevy engines named 'RPM Xtreme Cylinder Heads.' The heads produce flow numbers competitive with the Victor series race heads, but they still maintain compatibility with off-the-shelve components......
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More... (http://www.dragzine.com/news/new-products/edelbrock-rpm-xtreme%e2%84%a2-bb-chevy-cylinder-heads-deliver-cnc-perfected-air-flow-in-a-bolt-on-package/)