Track-Tac Outside Topaz High-Performance Tire Softener - Case of 12 QuartsHeat up your game with Outside Topaz. This high performance softener thrives trackside, especially when paired with hotboxes or heat elements to drop durometer readings effectively. It softens tires without the destructive overkill of harsher alternatives, preserving compound life for multiple stints. A case of 12 quarts positions you for relentless pursuit of speed. The magic happens in application: Warm the tire first, then apply Topaz for deep