O.S. Speed B2105

The Speed B2105 Competition 3.5cc Off-Road Nitro Buggy Engine with P3 Glow Plug, by O.S.SPEED, represents the pinnacle of off-road racing performance engines. Designed to excel in harsh racing conditions, this fifth-generation B21 series engine delivers exceptional power, smoother idling, and unparalleled reliability. It features a re-engineered cylinder liner and crankshaft for smooth, linear power delivery, enhancing performance across all RPM ranges.

Features:

• Smooth and linear power delivery
• Improved fuel efficiency
• Lightened DLC coated Crankshaft
• Competition-grade conrod for maximum durability
• CNC-machined piston for optimal efficiency
• Enhanced drivability with a lighter outer head
• Engineered for high-RPM performance
• Balanced fuel consumption
• Exceptional reliability and durability
• Optimized cooling and airflow

Specifications:

• Application: 1/8 Off-Road Racing
• Displacement: 3.5cc / 0.213 cu.in.
• Bore: 0.641in. (16.27mm)
• Stroke: 0.661in (16.80mm)
• Practical RPM Range: 4,000-42,000 RPM
• Output: 2.68 ps / 2.64 hp / 34,000 RPM
• Weight: 12.28oz (348g)

Includes:

• (1) Speed B2105 Competition 3.5cc Off-Road Nitro Buggy Engine
• (1) P3 Glow Plug
• (1) Reducer Set
• (1) Exhaust Seal Ring
• (1) Dust Cap Set