Retrol B31 Shovelhead Motorcycle Engine Model

RETROL 4.2CC OHV V-Twin Cylinder Four-Stroke Gasoline Engine Model — R31 Shovelhead Version

• Authentic Design Heritage
  Based on the iconic 1960s V-twin motorcycle Shovelhead engine, capturing the spirit of a bygone era.
• Precision Craftsmanship and Power Upgrade
  Classic body lines, cooling fin structure, new carburetor design, and toggle throttle lever faithfully replicate real engine details. Upgraded larger intake and exhaust valves deliver a noticeable power boost — one of the most complex engines we’ve ever produced.
• Premium Materials and Stable Operation
  Meticulously machined from brass and stainless steel, mounted on a wooden base for stable display and operation.
• Ready to Run, Beginner-Friendly
  Includes starting and ignition equipment, making it accessible for novice enthusiasts. Its running performance will not disappoint.
• A Collectible Gift Worth Displaying
  A desirable collectible for personal enjoyment or as a distinctive high-end gift for friends and family on special occasions.