Spower B7TT SPEED Factory Tuned .21 Racing Engine
Spower, the engine brand of chassis manufacturer Sworkz, has released it latest engine the B7TT SPEED Factory Tuned .21 Racing Engine. Produced by O.S. Engines in Japan, it is a long-stroke engine that offers quick response at low speeds and more torque in the mid end with consistent idling. The latest Spower B7TT SPEED piston/liner comes in a conventional 3-port configuration enabling smoother torque throughout the power range. The engine’s crankshaft has 2 tungsten counterweights contributing to a consistent idle and quick RPM response according to the throttle movements. The B7TT SPEED also has the latest technology rear thrust plate with surface treatment embedded in the cover plate. This is to reduce friction against the connecting rod and to extend its life. The crankcase of B7TT SPEED is redesigned with a new boost port and a new exhaust port for optimum air flow.