Nall Speed Prep • Tire Prep

Insanity Speed Elixir – Yellow Crush

Insanity Speed Elixir Yellow Crush is the most popular prep in the Insanity tire program and a staple for racers looking for a versatile conditioning formula. Designed to build a strong base during the week and deliver reliable grip on race day, Yellow Crush helps maintain tire consistency while minimizing falloff throughout the event. This prep works exceptionally well as a mid-week conditioner , allowing racers to