O.S. Engine OSMG2073 21VG (P) ES Competition Buggy Engine  [OSMG2073]

Consistent Track Power from the O.S. Engine 21VG (P) ES

The O.S. Engine 21VG (P) ES, carrying stock number OSMG2073, is aimed at serious model racers seeking repeatable performance in 1/8 buggies and trucks. Its engineering focuses on delivering reliable throttle response lap after lap.

Balanced Midrange and Practical Starters

Notable for a well-controlled midrange, the 21VG (P) ES helps maintain traction and speed through mixed corners. The backplate fits common starter units including the DuraTraxR Kwik Pit Super Start and HPI Roto Starter, simplifying race prep. Key internals like the ABL piston liner and the one-piece crankshaft are built for endurance on frequent runs.

Cooling Efficiency and Precise Fueling

The wider Tornado head enhances heat dissipation, while the two-needle carburetor supports careful fuel trimming to match track altitude and temperature. With a usable RPM band from 3,000 to 36,000 and a peak of 2.0 hp at 30,000 RPM, it offers a broad performance window for tuning.

This engine suits racers who want dependable, tuneable power without excessive complexity, making it a solid pick for regular club competition and practice sessions.