O.S. Engines

Crankshaft: GF30

Crankshaft: 240-300

Outer Head: R21

Inner Head: T1202 Speed

Intake Manifold: FS155A-P

Intake Pipe AS-R: FT-120 160

Intake Pipe Left: FT-120 240

Link Pin: Sirius 7

Lock Cone: 40P/60GP

Mixture Control Valve: 12F2

Head Gasket FS155A-P

Pushrod Cover Set: Sirius 7

Inner Head: B2101 Speed

Outer Head: O.S. Speed R2104

Piston: 56 FS

Cylinder & Piston Assembly: 75AX

Silencer Assembly Screw: 56 FS

Muffler Assembly Screw: 65AX

Muffler Extension Screws 120AX (2)

Cover Plate Gasket: 55HZ Hyper

Drive Pin: FL-70

Under Cover Gasket: IL-300 Dia-Star

Piston Pin Retainer: RX RZ XM

Inner Head: 19XZ-B Speed