How to build a slot car drag race track - Builders Villa

drag slotReplacement power transistor for drag modules and controllers. New 3 transistor desn has 50% more power handling capacity then our old desn. Instructions included. $22.50. DD839: Drag Power Transistor. Repair kit for the 4 transistorHosted at the Viper Scale Racing HQ and exclusively broadcast on, the Slot Car Drag Racing League puts your cars head-to-head in proxy race