O.S. Engines

OS Engines O-Ring: 21TM

OS Engines Throttle Link WLA-2: GT55

OS Engines Carburetor Rotor: 80T Sirius 7

OS Engines Screw Set (8): 15LA

OS Engines Crank Pin Stop Screw: GT22

OS Engines Gasket Exhaust: GT55

OS Engines Carburetor Body: 21J3

OS Engines Rocker Cover: 120 Surpass

OS Engines Cylinder Liner: FS-70 Surpass

OS Engines Cylinder/Piston/Rod Set: O.S. Max .12 TG Version 4

OS Engines Cylinder & Piston Assembly: 21TM

OS Engines Hex Head Screw 5x55mm (10)

OS Engines Spark Plug 1 4-32 RCE: GF30

OS Engines Valve Exhaust: FS-120 Surpass

OS Engines Inner Head: O.S.SPEED R21GT2

OS Engines O.S. Pistion Pin: .12XZ

OS Engines Screw Set (10): 46AX 55AX

OS Engines Carburetor Body: 21M

OS Engines O.S. Cylinder Piston Rod Set Speed: T1203

OS Engines Crankcase O.S. Speed T1204

OS Engines Piston: FS-120

OS Engines Piston: 37SZ-H

OS Engines Connecting Rod: Speed B2101, B2102

OS Engines Silencer F-5030: FS81 Alpha