Parts

OS Engines Rear Bearing: 61RX, SX-H

OS Engines Carburetor Retainer: 55HZ Hyper

OS Engines Cover Plate: 55HZ Hyper

OS Engines Cover Plate with BPS-1 Mount: 55HZ-R

OS Engines Piston Ring: 108FSR

OS Engines Piston: 105HZ

OS Engines Piston Ring: 46SF H

OS Engines Connecting Rod: 50SX-H

OS Engines Cover Plate Gasket: 55HZ Hyper

OS Engines Regulator Assembly: 91HZR

OS Engines Set Screw #2D #4BK-#5B

OS Engines 55HZ-R DRS Ringed .55 Helicopter Engine

OS Engines Cover Plate Screws (10): 120AX

OS Engines 55HZ-H Hyper Ringed .55 Helicopter Engine

OS Engines Cover Plate: 105HX-R

OS Engines Exhaust Gasket: 55HZ

OS Engines Insulator, 60K

OS Engines Head Gasket: 55HZ Hyper

OS Engines Cap Screw Set M2.6x7: 18TZ

OS Engines Carburetor Rotor: 61G, 91HZ-R, Speed 3D

OS Engines Piston: 55HZ Hyper

OS Engines Needle #86 #8H

OS Engines Crankcase: 105HZ

OS Engines Mixture Control Valve Spring