O.S. Engines

Cylinder Liner: FS-70 Surpass

Exhaust Joint Nut: FS-120 Surpass

Manifold Seal: FT-120-300

Mixture Control Screw: #2F and #2FB

Manifold Nut M9

Needle Holder FT-120-300

Needle Valve Assembly: #60B

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

O-Ring: 21TM

Piston: FS-40 Surpass

Rocker Cover: 120 Surpass

Rear Housing: GT60

Rocker Cover: GF30

Rotor Stop Holder #2K 74

Throttle Lever #2F #2FB

Throttle Arm Assembly WLA-2: GT55

Stator Assembly: 5020-490 .40

Needle 3 (21M)

Carburetor Complete 21M4(B) W/O Reducer

O.S.SPEED B2105 COMBO SET

CYLINDER/PISTON/ROD SET: O.S. MAX-B21

MAX-B21 Car Engine Combo Set

Cover Plate: O.S. MAX-B21

O.S. Speed R2105 Engine