for sale 455 and th400
ONLY the H/O got the 455 in 69. The G heads are 1971 vintage. Check the machined pad on the block just below #1 spark plug and tell us what the numbers stamped there are.
My guess would be 31MXXXXXX.
My guess would be 31MXXXXXX.
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Jan 21, 2011 05:38 AM



