04-06-2018, 11:19 PM
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Senior Member
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Join Date: Feb 2015
Location: Alberta, Canada
Posts: 4,237
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The ridges on the outer rings are different between 68 and 69. There are other differences as well. If you'd like to read more you can find more info here.
https://www.yenko.net/forum/showthrea...ght=Derby+Caps
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I like solid lifter cars, big cams and cars w/ 3 pedals in them. 
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