OS .18 TZ & TM heat sink head from Racers Edge

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

Racers Edge