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Phil,when you say (the part numbers for the spoiler will show revision #'s on them )what are the differances on these numbers & what do they look like ?
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It is the same number on the end caps marked left and right
the part number is followed by a REV #. This is how AO Smith designated the early tooling and marked the production changes to the cap molds.
End cap Fitment on the quarters was a big problem which postponed and greatly limited the number of cars built in 70.
Phil
