O.S. Engine OSMG2068 21VZ-B V-Spec-T (P) High-Rev 1/8 Off-Road Engine  [OSMG2068]

O.S. Engine 21VZ-B V-Spec-T (P)
Price:
CAD$349.39
Brand:
O.S. Engine
Model:
OSMG2068
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Race-Ready Core for 1/8 Off-Road Builds

Serious racers will recognise the performance focus of the O.S. Engine OSMG2068 21VZ-B V-Spec-T (P). It is built to handle demanding off-road class runs and fits popular platforms like Mugen and Inferno style buggies and hybrid trucks.

Built for Track Performance

The engine uses a hardened, chrome-plated 4-port cylinder and liner for long service life. A machined steel piston with parallel rings delivers consistent compression and power, while a reshaped crankcase core improves intake airflow for smoother throttle response.

Carburetor Tuning and Cooling

The slide valve carb includes both 8mm and 9mm restrictors so you can tune needle and idle to suit track grip and elevation. The two-piece V-shaped turbo head helps dissipate heat quickly, keeping temperatures stable during repeated runs.

Box Contents and Service Items

The package contains a P3 Ultra Hot Turbo plug, spare gaskets, carb restrictors and covers so you have the parts needed for initial setup and routine service.

Specifications

  • Practical RPM: 3000-40,000
  • Output: 2.48 bhp @ 33,000 RPM
  • Bore: 0.654 in
  • Stroke: 0.630 in
  • Weight without Muffler: 12.7 oz (360g)
  • Height from Crankcase Bottom to Top of Cylinder Head: 110.6mm (4.4")
  • Width Including Mounting Ears: 45mm (1.8")

Experienced hobbyists and club racers will find the O.S. Engine 21VZ-B V-Spec-T (P) a reliable high-rev option for 1/8 off-road competition.

It targets experienced users, but a committed beginner with guidance can run it. Expect a careful break-in and regular tuning while you learn.
Use high-quality nitro fuel with roughly 15-30% nitromethane and at least 16% oil to protect internal parts and achieve consistent power.
Start with rich needle settings and short runs, then gradually lean out the mixture while monitoring plug color and temperatures to seat the rings correctly.

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