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O.S.® 21XZ-B Speed Spec II Gold Edition with T2090SC Pipe NEW!

Product Description

To celebrate the 80th anniversary of their company, Japanese nitro engine makers O.S. have introduced the Speed 21 XZ-B Spec.II Gold Edition engine. Based on the standard Spec.II the limited edition engine features a gold-anodised cooling head with black-colour lettering. Limited to 100 pieces World-wide the Gold Edition engine is available separately or including a Japan-made EFRA 2042 T-2090SC pipe.

Superior Speed Spec performance!

Top of the line in every way! O.S. brings you the lean, mean 21XZ-B Speed Spec II with a good looking gold cylinder head and carb insert. Just like the original, this gold edition offers high power, light construction, a DLC coated crankshaft, and a newly designed outer head with V-shaped fins for more efficient cooling. Plus, you get a dual-adjustable 21J carburetor for smoother acceleration and better fuel mileage and a T2090SC pipe for superior noise suppression.
Displacement: 0.213 cu in (3.49 cc) Bore: 0.641 in (16.27 mm) Stroke: 0.661 in (16.8 mm) Practical RPM Range: 4,000-42,000 Output: 2.65 ps @ 34,000 rpm Weight: 12.52 oz (355 g) Requirements: Car blend glow fuel with 10-30% nitromethane content Air filter and exhaust (depending on vehicle) Glow starter and track equipment
Vendor : O.S. ENGINES

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