small block OEM bolt on timing tabs-

dusterbing the peace said

I might like one of the ones with red or yellow zip tie, but is there a difference between them?

I have a 67 with this one, are there different years?

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there's no difference between the two with the zip ties, i only did that to identify them.

there are different styles for different years, those all came off of earlier engines. however any of them work.