With this kit you can run your Sega New Astro City / Taito Egret 2 in 31k for Naomi/Atomiswave games.
You need to have a MS9-29 chassis
In this kit:
R517 (Red)
D506 Diode
C521 Aluminium Electrolytic Capacitors - Radial
R518 (Blue)
R332 Carbon Film Resistor
C334 Multilayer Ceramic Capacitors MLCC
R563 (Green)
If you need a tutorial, check this out: https://youtu.be/Ni47etKMCHU?t=261
http://mikejmoffitt.com/pages/ms9-hax/
Thanks to Hatsune Mike for this work !