O.S. Engines

105HZ-R DRS 1.05 Helicopter Engine

Carburetor Reducer 6mm, Red: B2101 Speed

R5 Glow Plug Cold On-Road

T-1070SC L52 Pipe Set

Rear Bearing: 19XZ-B Speed

Carburetor Body: 21M

Cover Plate: 21XZ-B Ver2

Crankcase: O.S. Speed B2104

Carburetor 21J3-B: Speed B21 Adam Drake

Metering Needle Assembly Speed 12TZ

Piston Pin: 18CV-R

Needle 3 (21M)

Carburetor Complete 21M4(B) W/O Reducer

Carburetor Body: 22E

Outer Head: O.S. MAX-B21

O.S. Speed R2105 Engine

Carb Reducer, 7.5mm: Speed B21 Pink Ronda Drake 2

Main Metering Needle (2 oring): 21M3(B) Speed R2105

Outer Head: O.S. Speed B21 Ronda Drake Edition 2

Crankshaft: O.S. Speed R2105

Inner Head: O.S. MAX-B21

MAX-B21 Car Engine Combo Set

O.S. SPEED R2106 COMBO SET

O.S. Speed B21 Ronda Drake Edition 2 / Pipe Combo