O.S. Speed Adam Drake 3 (AD3) Engine Only kyosho Frameless fan blade is designed

Frameless fan blade is designed with specially formulated material to reduce the defective rate of the fan caused by impact from small stones

NOTE: BLUE seals face each other inside the bell

Offers 6 positions 3 inside and 3 outside on top

Carbon Fiber Upper Arm Inserts for RC8T4 with a 1

These features will provide responsive low-end power and more overall torque

O.S. Speed Adam Drake 3 (AD3) Engine Only kyosho Frameless fan blade is designedO. S. SPEED and Adam Drake have collaborated once again to bring you the New Adam Drake B21(AD3) edition engine. Adam Drake is a multi 1 8th Scale ROAR National Champion who is famous for his extensive knowledge of Nitro racing engines that spans over 25 years. The O. S. Speed B21AD3 engine has several updates from champion Adam Drake. Based off the B21AD2, the new features of the AD3 include a boost bypass processing for the crankcase that increases