O.S. Engines

Needle High Speed WLA-2: GT55

Mixture Control Screw: 120 Surpass

O.S. Carburetor Body 12F5(B) Speed T1203

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

Air Bleed Screw: #40D

Crank Pin Stop Screw: Sirius 7

Drive Washer: FS155A-P

Piston Pin: GGT10

Slide Valve #60U

Crankcase: O.S. FS-64V

Cover Plate: 75AX

Drive Shaft: Sirius 7

Reed Valve Assembly: GT22

Bearing L-1040X2ZZ

Screw Set Speed (10): 21 V-Spec

Carburetor Reed Valve Gasket: GT22

Choke Shaft: WLA-2, GT55

Pushrod Cover: FS-91 Surpass

Piston Pin: FS-90 160

Rocker Arm Support Assembly: FS-20

Exhaust Pipe: 120-240

Intake Manifold: GF30

Muffler Assembly Screw F-4050: FS-62V

Intake Manifold Assembly: FT-120 and FT-160