This hybrid isolator block features a built in heat sink for improved cooling, a built in diaphragm filter to ensure the carburetor functions correctly and to top it off its completely machined from solid billet aluminum. This block is thinner than the stock block mounting the carburetor closer to the engine improving low end throttle response. Stock Block is 21mm & this block is 17.5mm. This isolator block will work with any 1/5th scale Zenoah G320RC engine on any 1/5th scale application including; HPI Baja 5B/T, Losi 5IVE & others
