O.S. Engines

Carburetor Body: 21M

Crankcase: O.S. Speed B2104

Carburetor 21J3-B: Speed B21 Adam Drake

Piston Pin: 18CV-R

Metering Needle Assembly Speed 12TZ

Needle 3 (21M)

Carburetor Complete 21M4(B) W/O Reducer

Speed P4 Gold Super Hot Plug

Spinner Nut: 20-48

Exhaust Pipe: 120-240

#7 Glow Plug, Medium Hot Air

Carburetor Body: 22E

Cylinder, Piston, & Rod Set: R2105

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

MAX-B21 Car Engine Combo Set

Inner Head: O.S. MAX-B21

O.S. SPEED R2106 COMBO SET

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

Outer Head: O.S. Speed R2105