OS Engines

Locknut Set: BGX 3500

Needle Valve Assembly: 91SZ-H Hyper

O-Ring Small #2K #2SB

Pushrod Cover: FS155A-P

Piston: FS-95V

Piston: GGT10

Piston Ring: 32FH

Rotor Gear Screw: 30Wankel

Screw Set (12): FS-40 Surpass

Valve Assembly Exhaust: FS-52 Surpass

Valve Collet: FS-120 Surpass

Head Gasket: 21TM

Cylinder Piston Rod Set: O.S. Speed B2104

Cover Plate: O.S. Speed B2104

Carburetor Retainer: 21EX-B, R

Crankcase: 21XZ-B

Cylinder Rebuild Kit: R2101 Speed

Cylinder & Piston Speed: T1202

Outer Head: 19XZ-B Speed

Air Filter: INS

Carb Reducer 5.5mm: #11H, #11HB, 12TZ

Carburetor Body: 21J3

Carburetor Rotor: #11J

Connecting Rod: Speed B2101, B2102