Gottlieb MA-303 and MA-430 Power Supply Mega Deluxe Rebuild & 105c Cap Kit which is used to rebuild the following arcade PCB Gottlieb Qbert, Mach 3 and others that use this A3 Power Supply. “Mega Deluxe Cap Kits” Our kits have some of the BEST quality, low ESR, and longest life capacitors included. This kit has Capacitors for C12, C21, C22, C31, C41 includes new transistors for Q11, Q12, Q21 new resistors for R12, R13, R14, R21, R22 New diodes for D12, D26 New miscellaneous transistors for U11, U31, U41 and a New OEM +5vdc trimmer Potentiometer for VR1 and all new Headers for P2, P3, P4 and 50 New Trifurcon Molex pins, and connector housings for the wire harness that plug into P2, P3, P4 and new Polarizing keys for the three connector housings, and new mica insulators for Q11, Q21 and non conductive thermal compound paste all included in this kit. We have also increased the original Wattage of most of the resistors. All of our arcade Rebuild Kits / Get Well Kits include a sticker so you can place it on the PCB to help you keep track of the work you did and when it was done. This kit has all the above listed parts included in this kit with great instructions.