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O.S. Speed 21VZ-B (P) V-Spec 2 Worlds Champion Engine OS 13911, Brand New in Box with complete packaging.
O.S. Code Number 13911
This is the O.S. Max Speed Tuned.21 VZ-B V-Spec2 Off-Road 1/8 scale Racing Engine with Aluminum Heat Sink Head.
FEATURES: - V-shaped aluminum head with eighteen machined holes for lighter weight and more efficient cooling
- Hardened, chrome-plated, 4-port, cylinder and liner for
high durability and long life
- Specially coated silicone filled crankshaft with precision ceramic bearing that greatly reduces friction, plus a Tungsten weight for added balance
- Machined piston features parallel rings that trap fuel oils
and use them as a seal to enhance compression and boost power
- Reshaped crankcase core ensures smoother air flow and more consistent performance
- Slide Valve Carb with 7mm, 6.5mm and 6mm Carb restrictors with red anodized finish allow tuning to specific track conditions, Low- end Needle adjusts from side to side for maximum adjustment ease
INCLUDES: O.S. Max Speed Tuned.21 VZ-B V-Spec2 engine, 21JS carburetor, P3 glow plug, 7, 6.5 and 6mm carb restrictors, english manual, exhaust gasket and dust cap set
SPECS:
Practical RPM Range: 3,000-40,000
Output: 2.5 ps @ 34,000 rpm
Displacement: 0.211 cu in (3.46cc)
Bore: 0.654in (16.6mm)
Stroke: 0.630in (16.0mm)
Weight w/o Muffler: 12.3 oz (349g)
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