These specially designed and fabricated nuts secure the 911 cylinders in place during rebuild. The nuts allow for easy crank rotation and installation of pistons/cylinders without having the cylinders slip out of the case. Precisely fabricated from 2011 aluminum and anodized for years of service. Each nut is complete with a special delrin insert to protect your cylinders. Comes in a set of six.
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Lightweight, durable, all aluminum - will not mar alloy nuts. Designed and tested in our shop, this socket will work on all 19mm lugnuts for oe "fuchs" style wheels. Note: not intended for use with an impact wrench!