Calvan 38900 Replacement Spark Plug Insert 389-100
November 7, 2015 Calvan Tools No Comments
DennisB DenLorsTools.com © Summary: More than great pricing on the 38900 kit and replacement insert pn 389-100. We’ve been selling the 38900 Ford spark plug thread repair kit since 2005. The image of the 389-100 insert was our original pic that has been used by many websites after carefully cropping out our web address (see below). One thing that the other websites cannot duplicate is our experience when it comes to spark plug thread repairs kits and repairs.