O.S. Engines

Front Bearing: 21-61

Intake Pipe AS-L: FT-240

O-Ring: GF30

Connecting Rod: GF30

Piston Pin: FS-91 Surpass

Rocker Arm Support Assembly: 120 Surpass

Venturi Funnel 70R: FS155A-P

Gasket Carburetor: 40-61, FT-300

Thrust Washer: 120Surpass

Woodruff Key: 61-91

PCV Valve Set: GF40

Cylinder Liner: GT55

Crankcase: FS72 Alpha

Screw Set (12): FS-26 Surpass

Piston: 105HZ

Exhaust Gasket: 21RZ

Piston Pin Retainer: 50SX-H

Needle Metering 21M: 21XZ-R VII

Needle: #60B

O.S. Crankcase OS Speed R21GT

Pushrod Cover: FS-26 Surpass

Crankshaft: 55HZ Hyper

Cam Assembly Screw Set: SIrius 7

Piston Pin: GT55