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Old 08-16-2019, 09:26 AM   #7
john in illinois
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Join Date: May 2010
Location: Illinois
Posts: 1,864
Default Re: spark plugs 59ab

Quote:
Originally Posted by clo View Post
NGK pn# b-4L
This number is wrong. Only 3/8” reach, need 3/4” For Edelbrock modern heads per the Edelbrock instruction sheet.

Autolite 3924 or Ngk BCP5ES interchange amoung others.

John
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Last edited by john in illinois; 08-16-2019 at 10:32 AM.
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