O.S. Engines

Crankshaft: 12XZ Speed

O.S. Crankshaft OS Speed R21GT

O.S. Cylinder And Piston Speed: T1203

Outer Head: B21 Speed Adam Drake

202 Super Air Cleaner

Carburetor Reducer 6.5mm: Speed 21 V-SpecII

Speed P4 Gold Super Hot Plug

Outter Head: O.S.SPEED R21GT2

Needle Assembly #10E

O-Ring Small #2K IFN

Throttle Lever #11K

Mid Bearing: 120-240

Carburetor Body: #20H

Carburetor Rotor: 40L, 55HZ Hyper

Carburetor Retainer: #61B, 91HZ

Choke Valve: 120-300

Connecting Rod: 35-40FP, 40 LA

Cover Plate: FS155A-P

Cylinder Head: 65AX

Cylinder Liner: 95AX

Bubbleless Clunk

Carburetor Reed Valve Gasket: GT33

Intake Manifold Set: Sirius 7

Piston Pin Retainer: 81VR-M