911 Cylinder Hold Down Nut Set

SR007  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.