O.S. Engines

OS Engines Head Gasket: 55HZ Hyper

OS Engines Carburetor 12D2: 12TG VII

OS Engines Cylinder Head: GGT10

OS Engines Piston Pin Retainers: Speed T1202 (6)

OS Engines Rear Housing: FT-160

OS Engines O.S. Cover Plate Speed B2103 Type R & Type S

OS Engines Cylinder Head Screws (10): 120AX

OS Engines Exhaust Seal O-Ring (2)

OS Engines Outer Head: B21 Ongaro Edition

OS Engines Head Gasket: 0.1, 0.15, R2101 Speed

OS Engines Locknut Nozzle #2BK

OS Engines Needle 25 2SX: 61FX

OS Engines Outer Head: Speed 12TZ

OS Engines Cylinder Head: 25LA Natural

OS Engines Ball WLA-2: GT55

OS Engines Carb Reducer 5.8MM Natural TYII

OS Engines Cylinder Liner: 50SX-H

OS Engines Speed Flywheel Puller

OS Engines Crankcase: 21XZ-B

OS Engines Cover Plate: GT15

OS Engines Built-Up Parts Set (C&P) O.S. Speed T1204

OS Engines Cylinder Head Screws: 56 FS

OS Engines Valve Spring: FS155A-P

OS Engines Slide Valve 12F2: 12XZ Speed Spec 3