OS Engines Speed B21 Adam Drake 4 .21 Buggy Engine with T-2090 Pipe

What's New

• Cylinder liner: Revised port design for more torque
• Crankshaft: inner diameter has changed for better low to mid end power
• Outer head: Extra fin for better cooling, reduced weight, lower center gravity for better balance and new laser design with double anodized colors

Other Features

• Developed in collaboration with O.S. international team driver and multiple ROAR Champion, Adam Drake
• By adopting a boost bypass processing for the crankcase, the engine runs more smoothly
• ADAM DRAKE's image colour, blue anodized aluminium is applied to the cutting part of the new outer head, and two-colour anodized aluminium with new design is used to reduce weight and lower the centre of gravity and improve driving performance