Posted July 5, 200321 yr comment_42873 Need to know what size hex fits the head bolts on pre 74' and 83 ZX motors. I assume that the 83 ZX has a hex head bolt as well. Thanks in advance , :stupid: Link to comment https://www.classiczcars.com/forums/topic/6888-head-bolt-hex-size/ Share on other sites More sharing options...
July 5, 200321 yr comment_42874 10mm Not certain but I think all the L series used the same size hex for the headbolts. Link to comment https://www.classiczcars.com/forums/topic/6888-head-bolt-hex-size/#findComment-42874 Share on other sites More sharing options...
July 5, 200321 yr comment_42875 they did use the same size Link to comment https://www.classiczcars.com/forums/topic/6888-head-bolt-hex-size/#findComment-42875 Share on other sites More sharing options...
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