Both heatsinks have 2 WestingHouse 2n2124 Transistors and 2 stud power rectifier diodes.: Behind the driverseat and next to the Flux Capacitor you will find 2 gold heatsinks Below is the gold heatsink that we have made out of extruded aluminium and then gold anodized The heatsinks seem to come of (or at least close to a) Contraves PC0598B Power board (Thanks to Michael Lerra for the pics) Gold Heatsink bundle €200.00 Add to cart Gold Heatsink €120.00 Add to cart