RB Innovations launched into the R/C World with our mind blowing
line of high performance engine upgrades. The most popular upgrade
component is the RB Nitro Super-Charger Systems and Nitrous Injections
Systems. These patented systems turned heads on and off the track with
the tire shredding performance gains on any engine.
The Hour Glass heat exchanger cooling system provides maximum cooling for your TRX 3.3 engine. The heat exchanger tubes double the surface area of the head and allow more efficient cooling of the engine.