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Racers Edge has a Cool New Heat Sink Head for the OS .18 TZ , TM and Tamiya TNX engines. The New Race Designed head is perfect for Nitro R/C Touring Cars, Stadium Trucks and Monster Trucks.
- Stronger Thicker Heat Sink Fins
- CNC Machined T6 Hardened Aluminum
- Lower operating temperature on the OS .18 TZ , TM and Tamiya TNX engines
- Fits engines with EZ-START System