what heads came on a 97 vette, and a 99 TA?
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10 Second Club
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The 97 vette heads will have perimeter bolts holding the valve covers on versus the center bolts on the 99 heads. 97-98 LS1's have perimeter bolts and 99-up have center bolts. There is no difference in corvette and fbody heads, they are all the same(unless it's a Z06). There is a thread in the stickies somewhere on this site w/ all of the casting numbers.