O.S. Engines

Crankcase: 30VG

Crankcase: 12XZ Spec II Speed

O.S. Built-Up Parts Set Cyl Piston OS Speed R21GT

Cylinder Liner: GT33

Nozzle Assembly: FL-70

Dust Cap Set, 10mm (3)

Connecting Rod: 21XR-B Version II

O.S. Cylindr & Piston Assy OS Speed R21GT

Crankshaft: 25FX

Intake Manifold: FT-120 160

Crankcase: 21XZ-B Speed

Cylinder & Piston: 12TR (P)-T

Cylinder & Piston Assembly: 28XZ

Inner Head: speed 21XZ-B Spec III

Metering Needle 12F2: 12XZ Speed Spec

Rocker Cover: FT-160

M16 In-Cowl Exhaust Header Pipe Side 60D: FS20S

Connecting Rod: GT15HZ

Screw Set (8): 25LA

Crankshaft: GT33

Rocker Arm Support Assembly FS91-240

Carburetor #21E Slide: 30VG Series

Cylinder Rebuild Kit: 21XZ-GT Speed

Piston Ring: 56 FS