O.S. Engines

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

O-Ring Needle: FS/FX/LA

Crankcase: B2101 Speed

55HZ-H Hyper Ringed .55 Helicopter Engine

Crankshaft: 25XZ

Head Gasket: 30VG

Cylinder & Piston Assembly: 12XZ

18TM Revo Manifold

Needle High Speed WLA-2: GT55

Heat Sink Head: 91SX-H

Piston: 55HZ Hyper

Carburetor Body: 21M(B), 21XZ-R Speed

TR02 Tuned Silencer Set EFRA2165

O.S. Inner Head with O-Ring Speed B2103 Type R & S

Pushrod: 200 Surpass

Connecting Rod: 37SZ-H

Outter Head: O.S.SPEED R21GT2

Cover Plate: 55HZ Hyper

Valve Assembly Intake: FS-91 Surpass

Cover Assembly Metering WLA-2: GT55

Drive Washer: 12CV

Cover Plate: 65LA

Screw Set 21-32 (10)

M2004SC 85mm Manifold