KingTair FCSpeed AD2 Adam Drake 2 Competition 21 Buggy RC Car Nitro Engine Motor
Description:
21R Competition engine 3P
w/ 6.5mm & 7mm venturi
* Crankshaft SG couterweight w/silcone fill
* Head button w/dust protection O ring
* Back plate with oil storage hole
Specifications: Displacement : 3.48 cc
Bore : 16.34mm
Stroke : 16.60mm
RPM range : 6800~36000
Weight : 368g