Yes, goes on the valve cover bolt for #2 and #4 wire. All big blocks should have this but most went missing the first time the cover was removed.
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Steve
68 SS427 Custom Coupe 427/385/M21/3:73
68 Impala Custom Coupe 427/425/M21/3:73
68 Biscayne 2 Door 250/3 speed
68 Caprice Estate
68 Camaro SS396 4 speed
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