O.S. Engines

OS Engines Piston: GT15

OS Engines Piston Ring: FT-300

OS Engines Screw Set (34): FT-120 (34)

OS Engines Standoff 5x38.1mm 1-1/2" (4): GT55

OS Engines Thrust Washer: BGX-3500

OS Engines Carburetor Rotor 70T2: GF30 II

OS Engines Crankshaft: 55AX

OS Engines Cylinder Liner: FS-70 Surpass

OS Engines Cylinder Liner: 50SX-H

OS Engines Manifold Seal: FT-120-300

OS Engines Needle Valve Assembly: #60B

OS Engines Needle Assembly: #61B, 91HZ

OS Engines Mid Needle Valve Assebly: 61ER, 941HZ-R

OS Engines O-Ring: 21TM

OS Engines Rocker Cover: GF30

OS Engines Standoff 5x50.8mm 2" (4): GT55

OS Engines Throttle Lever #2F #2FB

OS Engines Throttle Arm Assembly WLA-2: GT55

OS Engines Stator Assembly: 5020-490 .40

OS Engines Crankcase: 46AXII

OS Engines Crankcase: FS-95V

OS Engines Cylinder Liner: FS-95V

OS Engines Gasket Exhaust: GT55

OS Engines M11 Header Pipe Nut: FS070S and FS91S II