O.S. Engine OSMG2070 Speed Tuned 21VZ-B V-Spec II World Edition Performance Engine  [OSMG2070]

Performance and Efficiency from O.S. Engine OSMG2070 Speed Tuned 21VZ-B V-Spec II World Edition

Designed for competitive club and regional racing, the O.S. Engine OSMG2070 Speed Tuned 21VZ-B V-Spec II World Edition focuses on high RPM response while keeping fuel use in check. Its tuning range makes it well suited to varied track layouts and race lengths.

Durable Internal Upgrades

The engine uses a hardened, chrome-plated 4-port liner and a specially coated crankshaft to reduce wear. A rear ceramic bearing decreases internal friction and the silicone-filled crankshaft improves airflow characteristics for more consistent combustion.

Real World Racing Credentials

Its race capabilities were proven during top level competition, notably in Atsushi Hara's 2008 world championship performance, where efficient runtime contributed to fewer refuelling stops than opponents.

Tuneability and On-Track Balance

The included 21JS slide-valve carburetor with 6 mm, 6.5 mm and 7 mm restrictors lets tuners match engine breathing to track and conditions. Tungsten weights on the crank help stabilise rotation at peak revs for better handling under acceleration.

Advanced hobbyists and racers will appreciate the 21VZ-B V-Spec II World Edition for its steady powerband and tunable carb options, which support consistent race performance.