Choosing the right insert for the right condition can be the difference between winning, losing, or just plain having bragging rights over a competitor on the track. Pro-Line now offers the latest grooved Closed Cell 1:8 Buggy foamseparately in packs of 4 perfect for re-foaming your tires or putting in your race tires that did not include foam. Put the latest and greatest foam technology in your tires!

Features:

• Latest Closed Cell Technology
• Horizontal Grooves for soft feel and long lasting performance
• Channel details capture the tire so carcass flex is kept to a minimum
• No air gaps in between tires unlike other brands
• Perfectly balanced
• 100% water safe
• Reusable
• Extremely durable
• Light weight
• For use on tracks that desire a firmer insert