O.S. Engines

Screw Set 21-32 (10)

Standoff 5x31.8mm 1-1/4" (4): GT55

Ball WLA-2: GT55

Valve: FS-40 48Surpass

Bearing R-1240ZZ

Prop Shaft Set: OMA-28 Series

Long Socket Wrench With Plug Grip

Dust Cover: 30VG

Needle Valve Assembly #11H #11HB

Rotor Spring #2CK #2B

Slide Valve 12D: 18TM

Crankcase: O.S. Max .12 TG Version 4

Carburetor 21J3-1: 21XR-B Version II

Carburetor Reducer AL2 5.5mm, Red: Speed T1202

Crankshaft: O.S.SPEED R21GT2

Connecting Rod: 18TM

Outer Head: 21XZ-R

T-2080 C-Ring

Cylinder Rebuild Kit: B21 Speed Adam Drake

Cylinder & Piston B2101 Speed

Crankshaft: O.S. Speed T1205

Carburetor #61A: 75AX

Motor Mount: 25FX, 32SX, 35AX

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