O.S. Engines

Head Gasket Set: 12TZ Spec II

O-Ring Metal Valve: 120Surpass

7.0mm Carb Reducer (Red): AL2 O.S.SPEED R21GT2

Carburetor Body: 22C(B), Speed B2102

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

O.S. Crankcase OS Speed R21GT

Outer Head: T1202 Speed

Rear Adapter: 15CV-X

Screw Set (10): 21VZ-R VZB

Carb Reducer 5.8MM Natural TYII

Muffler Extension Adapter 12 20mm: 49PI

WLA-2 Screw: 96-603, GT15HZ

Connecting Rod: GF30

Rear Cover: Sirius 7

Cylinder & Piston: 15LA

Gasket Set: 160FX

Gasket Passage: WLA-2, GT55

Carburetor Gasket Set: WLA-2 (3)

Ignition Module IG-06: GT15

Needle #40D

Silencer O-Ring E3070: 46AX 55AX

Piston: 105HZ

Piston Ring: 46SF H

Pushrod: FS-91 Surpass