O.S. Engines

Rotor Stop Holder #2K 74

Standoff 5x50.8mm 2" (4): GT55

Throttle Arm Assembly WLA-2: GT55

Stator Assembly: 5020-490 .40

Muffler: E-2030, 20-25FP

55HZ-H Hyper Ringed .55 Helicopter Engine

Heat Sink Head: 21TM

Thermo Insulator, 11K: 18TM

Spark Plug CM6: GT-55

Muffler Extension 35mm: E-402

RP6 Turbo Glow Plug Medium On-Road

Muffler Mounting Screws #873 (2)

Prop Nut 1/4 20-61

Carburetor 21M3(B) without Reducer: Speed R2105

Cylinder & Piston Assembly: O.S. Speed R2105

Crankshaft: O.S. Speed R2105

MAX-B21 Car Engine Combo Set

Inner Head: O.S. MAX-B21

Carburetor Body: 22E

O.S. SPEED R2106 COMBO SET

Outer Head: O.S. Speed R2105

O.S. Speed B21 Ronda Drake Edition 2 3.49cc Nitro Engine with Muffler Set

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

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