O.S. Speed 21XZ-B Spec II "Gold Edition" .21 Off-Road Buggy Engine (Turbo Plug)

OS 21XZ-B Speed Spec II Gold Edition Engine
Go for the gold with this limited-time power plant!

The 21XZ-B Speed Spec II has set the gold standard of 1/8 scale racing engines. Now, it's available in a special Gold Edition to commemorate O.S.'s 80th anniversary. A gleaming gold cylinder head and carb insert makes it extra-attractive for collectors, while the legendary O.S. performance makes it a must for high-octane racing!

*Tuned Pipe Set pictured but not included.

Features: 

• OS 80th Anniversary 1936-2016
• A lighter crankshaft, with DLC coating, Tungsten weighting and silicone-filled intake passage
• Modified piston and con rod that reduces overall weight
• Outer head with V-shaped fins for lower CG and more efficient cooling.
• Dual-adjustable 21J carburetor for smoother acceleration and better fuel mileage
• Also available with 2090SC pipe set (OSMG2046)

Specifications:
Displacement: 0.213 cu in (3.49 cc)
Output: 2.61 hp @ 34000 rpm
RPM Range: 4000-42000
Bore: 0.641 in (16.27 mm)
Stroke: 0.661 in (16.8 mm)
Weight: 12.52 oz (355 g)
Requires: glow fuel

Includes:

• Speed 21XZ-B Spec II "Gold Edition" Engine
  
• 21J Carburetor
  
• 6mm Carb Restrictor
• 7mm Carb Restrictor
  
• P3 Turbo Glow Plug
  
• Exhaust Seal
  
• Dust cap Set

Needed To Complete:

• 1/8 Tuned Pipe
  
• 1/8 Manifold

*NOTE: Tuned Pipe Set pictured for illustrative purposed only and is not included. This engine can be purchased with the T2090SC Pipe/Manifold Set through part# OSMG2046.