OS 55HZ Helicopter Nitro Glow Engine. Has been serviced fitted with new bearings and new piston ring. Has been test flown and needles adjusted for Optifuel 20%. Very good condition, as pictured
OS 55HZ Hyper Helicopter Nitro Glow Engine
Bearing Set for OS 50SX-H /Hyper, OS 55HZ-H Nitro , Align ,Raptor, Hirobo, SAB
Nitro Bearing Set for OS 50SX-H /Hyper, OS 55HZ-H , Align ,Raptor, Hirobo, SAB
OS 32 shx helicopter engine 12956 hirobbo raptor sceadu
25803100 55HZ Cylinder Liner OS ENGINE
