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Speed 21XZ-B Spec III
Taking 1/8 power to the next level.
The 21XZ-B Spec III is the evolution of a proven powerhouse that has been a winner at numerous races worldwide. With upgrades that enhance its performance and drivability you'll hear the difference in the engine's roar when warming it up. Once you've experienced the speed and power of the Spec III, you'll be on the fast track to the winner's circle!
- Long stroke engine provides more torque
- Enhanced low-to middle-range torque provides a great advantage on tracks that require lots of power
- The newly developed cylinder liner features 3 scavenger ports and 3 exhaust ports, and works with the crankcase to deliver more power with less fuel consumption
- The drop-in type outer head is now lighter, with a lower CG
- Silicon-potted, DLC-coated crankshaft with pressed-in tungsten weights
- Easy-to-tune 21J carburetor with 6.5 mm restrictor
stock Number: OSMG2060
Displacement: 0.213 cu in (3.49 cc)
Bore: 0.641 in (16.27 mm)
Stroke: 0.661 in (16.80 mm)
Practical rpm: 4,000-42,000
Power Output: 2.61 hp/2.65 ps @ 34,000 rpm
Weight: 12.45 oz (353 g)
Includes: Turbo P-3 plug
Requires: glow fuel, tuned pipe and manifold
O.S. T-2060SC WN One Piece Tuned Pipe With Manifold.
This is the one piece variety and requires an off-road manifold, which attaches to the tuned pipe
using three small springs (not included).
This pipe is designed specifically for O.S. engines such as the O.S VZ-B and XZ-B engines and will deliver
excellent overall performance.
This pipe also features a welded nipple so you won't have to worry about losing back pressure due to an air leak.
Package includes the tuned pipe, manifold, manifold gaskets and retaining springs. |