REDS 721 Superveloce Gen5 3.5cc (.21) Off-Road Engine Combo

The REDS 721 Superveloce Gen5 3.5cc (.21) Off-Road Engine Combo pairs the 721 Superveloce Gen5 engine with a 2143 Torque X-ONE Pipe. Revised internal fluid dynamics, crankshaft timing, and cylinder port timing provide increased mid- and high-RPM power while maintaining the same fuel mileage as the previous generation.

Features

• Optimized internal fluid dynamics
• Revised crankshaft timing
• Redesigned cylinder port timing
• Increased mid- and high-RPM power
• Stronger top-end performance
• Same fuel mileage as previous generation
• 9mm carburetor with a wider and more forgiving tuning window
• Full DLC crankshaft and backplate
• Includes 2143 X-ONE Torque Pipe

Specifications

• Displacement: .21 cu.in (3.5cc)
• Recommended Application: 1/8 Off-Road
• Bore: 0.64in (16.2mm)
• Stroke: 0.67in (16.9mm)
• Intake Ports: 7
• Exhaust Ports: 1
• Carburetor Type: VCX3-A Aluminum Short Needle 9mm
• Glow Plug: REDS TS3/TS4
• Recommended Fuel: 25–30% Nitro, 8–10% Oil
• Break-In Fuel: 12% Oil
• Weight: 12.17oz (345g)

Includes

• (1) 721 Superveloce Gen5 3.5cc (.21) Off-Road Engine
• (1) 2143 Torque X-ONE Pipe