O.S. Engines

Gasket Set: 12TZ

Built-up Parts Set for Cylinder & Piston: O.S. Speed R2104

Crankcase: B2101 Speed

55HZ-H Hyper Ringed .55 Helicopter Engine

Crankshaft: 25XZ

Cylinder & Piston Assembly: 12XZ

O.S. Cover Plate Speed B2103 Type R & Type S

Cylinder Head Screws (10): 120AX

Outer Head: B21 Ongaro Edition

Head Gasket: 0.1, 0.15, R2101 Speed

Prop Locknut FF-240 320

Locknut Nozzle #2BK

Carburetor Body: 21J2(B), 21XZ-B Speed

Needle 25 2SX: 61FX

Outer Head: Speed 12TZ

Cylinder Head: 25LA Natural

Ball WLA-2: GT55

Carb Reducer 5.8MM Natural TYII

Speed Flywheel Puller

Crankcase: 21XZ-B

Cover Plate: GT15

Built-Up Parts Set (C&P) O.S. Speed T1204

High Pressure Check Valve: 91HZ-R

Cylinder Head Screws: 56 FS