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08-20-2014 05:03 PM #1
CHR Junior sMember
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- Aug 2014
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Need Help Identifing Small Block Cylinder Heads
Hello, I have a set of High Performance Cylinder Heads off an older Chevy 350 engine. On the side of the heads near the bottom says Bill Mitchell and there is a stamping that has the numbers 378. On the heads their is the numbers 11 21 between the springs. They are angle plug heads. Any other info would be great.[IMG]
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08-20-2014 08:14 PM #2
CHR Member/Contributor
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- Mar 2005
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- Tigard
- Car Year, Make, Model: 63 Nova SS
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Welcome to CHR!
Bill Mitchell Products - they look to me like World Products Sportsman II cast iron heads (big valves). If they have no cracks, these should be decent head for mild to mid-level build. Probably worth 50 horse over stock."Where the people fear the government you have tyranny. Where the government fears the people you have liberty." John Basil Barnhil
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