#96 head ?
Do 1971 #96 heads have hardened exhaust valve seats? Going to have a valve job done and going with new valve guides and the guy said new exhaust seats also if they don't have already..
Using new valves and springs.
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1977 Trans Am,400 4 speed,numbers matching car 
1979 Bonneville ,1 owner car... 
1997 Trans Am convertible,LT1/auto.
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