the part number on the directions are the old 4 digit part number. they changed to the 5 digit system in 73-74 I was told. They prob started production in late 60's or early 70's. These were probably made in the mid to late 70's.
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69 Camaro RS/SS X22 4speed NOM but working on something special
69 Camaro x11 355 crossram m22 12 bolt 3.73's
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