4 lug drill adapter

Choose between a physical piece shipped to you or a downloadable STL file for 3D printing.

This is for a 77mm center bore rotor and will layout a 4x114.3 pattern hub centric. 

Want to upgrade your base model 86-91 RX-7  to big 4 pot fronts. This will let you keep the 4 lug but use the bigger Turbo II rotor and caliper.