Thread: 305 heads question.
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Old 04-10-2013, 10:13 AM
carpoor carpoor is offline
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Join Date: Dec 2011
Location: Floriduh
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Found another head casting that ends in 450...

376450 262,267,305 75-81 60 6 or 7 Exhaust Bolt Holes
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1972 SS 454 Chevelle LS5/M21/12 bolt 3.73 posi
1969 Malibu COPO L72/M20/12 bolt 3.31 posi
1968 Malibu LQ9/4L80E/12 bolt 3.73 posi
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