Specification:
- Displacement(cu in): 0.21 cu in (3.5 cc)
- Bore(mm / in.): 0.653 in (16.6 mm)
- Stroke(mm / in.): 0.629 in (16.0 mm)
- Practical R.P.M.(R.P.M.): 3,000-40,000
- Output(BHP/RPM): 2.5 hp @ 33,000 rpm
- Weight (w/o muffler): 12.7 oz (360 g)
- Includes: TP-3 glow plug, 8 mm and 9 mm carb restrictors, exhaust seal and dust cap set
- Requires: Glow fuel, tuned pipe and manifold.

Competitors tend to stick with a winner — and the 21VZ-B V-Spec-T (P) makes that easy to do.

The raw power to exploit a split-second opportunity is there, tempered by the ability to fine-tune and finesse throttle control to the needs of different tracks and situations. And to help keep the 21VZ-B V-Spec-T (P) at the peak of its power, O.S. has given it a billet aluminum piston, hardened ABC sleeve for added wear resistance and a new crankshaft design that's simultaneously slimmer and stronger than any O.S. crankshaft ever made. The 21VZ-B V-Spec-T (P) — designed for first-place finishes over the long haul — from O.S.

• More power and durability. The brass sleeve is chrome-plated for performance and hardened to withstand the wear that racing action can produce. CAD-refined and CNC-machined ports smooth airflow and boost power.
• Track-tune in seconds! Increase control on low-traction tracks by inserting the 8 mm (red) or 9 mm (blue) carb restrictor. Takes only a second, but pays off, lap after lap.

Hotter than ever! Includes the new P3 glow plug, the newest and hottest star in the O.S. line-up. Great for quick, easy starts anytime — even in damp, cold conditions.

All-in-one T-2050 Tuned Pipe Set peaks performance the easy way. The full set includes a tuned pipe w/pressure tap, plus a header, two seal rings and joint and header springs. Requires Exhaust Coupler (OSMG8876).

Track-tune in seconds! Increase control on low-traction tracks by inserting the 8 mm (red) or 9 mm (blue) carb restrictor. Takes only a second, but pays off, lap after lap.

21VZ-B V-Spec installed in a Kyosho MP777 Special 1