This is the Trinity ExTech 2.0 .21
Off-Road Competition Buggy Engine. The new "ExTech Nitro" Sirio based engine
line is built in Italy to the highest tolerances using all the latest nitro
motor technology and high tech materials.
This high end Italian built engine from Trinity, is an completely new nitro
engine line for serious 1/8th off-road racing, especially for the racer that
demands the best.
From the new coating for the crank developed especially for Trinity to the
"square", shorter stroke design, ceramic rear bearing, smaller crank case volume
which vastly decreases fuel consumption, to the new head button squish band.
Trinity and Sirio have teamed up to provide the most power, smoothest power band
and best fuel management on the track today.