O.S. Engines

Needle Valve Assembly #11H #11HB

Rotor Spring #2CK #2B

Slide Valve 12D: 18TM

Throttle Lever #2B #2CB

Crankcase: O.S. Max .12 TG Version 4

Carburetor 21J3-1: 21XR-B Version II

Carburetor Reducer AL2 5.5mm, Red: Speed T1202

Crankshaft: O.S.SPEED R21GT2

Cylinder Rebuild Kit: R21

Cylinder Piston Assembly: R21

Inner Head: R2101 Speed

Outer Head: 21XZ-R

Outer Head O.S.Speed B21 Adam Drake II

LC3 T-Maxx Revo Glow Plug Hot

T-2080 C-Ring

Carburetor Rotor: 40L-R, 55HZ-R

Cylinder Rebuild Kit: B21 Speed Adam Drake

Cylinder Rebuild Kit: 21XZ-GT Speed

Outer Head: O.S. Speed R2104

Cylinder & Piston B2101 Speed

Needle Metering 21M: 21XZ-R VII

Crankshaft O.S. Speed T1204

O.S. Carburetor 22E (B) Without Reducer Type R

M2000SC 75mm Exhaust Manifold