REDS 721 Pista Gen3 3.5cc (.21) On-Road Nitro Engine

The REDS 721 Pista Gen3 is a 3.5cc (.21) on-road nitro engine designed for 1/8 on-road racing. This version includes a pre break-in by Mario Rossi.

Features

• 7-port sleeve for increased power and efficiency
• DLC-coated crankshaft for reduced friction and extended durability
• High-speed front bearing for improved idle stability
• Swiss-made ceramic rear bearing
• Redesigned carburetor for precise tuning and fuel efficiency
• Optimized cooling head for better heat dissipation and vehicle balance
• Hand-tuned by Mario and Marco Rossi
• Compatible with multiple venturi sizes for adjustable airflow
• Recommended for use with REDS 2113 + Straight90™ exhaust system

Specifications

• Displacement: .21 cu.in (3.5cc)
• Recommended Application: 1/8 On-Road
• Bore: 0.63in (16.05mm)
• Stroke: 0.68in (17.3mm)
• Intake Ports: 7
• Exhaust Ports: 3
• Weight: 11.75oz (333g)

Includes

• 721 Pista Gen3 3.5cc (.21) On-Road Nitro Engine with pre break-in by Mario Rossi