O.S. Engines

Valve Intake: FS-120 Surpass

Muffler Screws 10FP FSR (2)

Cover Plate: GF30

Head Gasket: B2101 Speed

Crankshaft: 18TM

Piston Ring: GT60

Prop Washer: GT55

Rear Bearing: 61-300

Carburetor Reducer 8mm, Red: Speed 21 V-Spec

Inner Head: 25XZ

O.S. Carburetor Body 22D (B) Speed B2103 Type S

Crankshaft: 35-40FP

Cylinder Rebuild Kit: B21 Speed Adam Drake

Crankshft Ball Bearing, Rear: 12TZ Spec II

Inner Head O-Ring: (S-32)(Black) B2104

Outer Head: O.S. Speed R2105

CYLINDER/PISTON SET O.S. MAX-B21

Cylinder & Piston Assembly: O.S. Speed R2105

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

O.S.SPEED B2105 COMBO SET

CYLINDER/PISTON/ROD SET: OS SPEED B2105

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

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

CYLINDER/PISTON/ROD SET: O.S. MAX-B21