O.S. Speed Tuned 21VZ-B V-Spec II World Edition Engine
New from O.S. Engines: The engine that powered Atsushi Hara to victory at the 2008 1/8 off-road world championships! The O.S. Speed Tuned 21VZ-B V-Spec II World Edition engine is factory tuned, and includes “tweaks” of a world champion racer! Its 18 holes lighten the heat sink head’s weight while the aluminum heat sink transfers […]