OS Engines

Manifold Seal: FT-120-300

Mixture Control Screw: #2F and #2FB

Needle Holder FT-120-300

Needle Assembly: #61B, 91HZ

O-Ring: 21TM

Piston Pin Retainer: 61RX SX

Rocker Cover: 120 Surpass

Rocker Cover: GF30

Rotor Stop Holder #2K 74

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

Throttle Arm Assembly WLA-2: GT55

Throttle Lever #2F #2FB

Stator Assembly: 5020-490 .40

Pump Fixing Screw Assembly: 91SZ-H Hyper

Cam Gear: Sirius 7

Carburetor Rotor: 56 FS

Crankshaft: 55AX

Crankshaft: 20-25FP

MAX-B21 Car Engine Combo Set

Inner Head: O.S. MAX-B21

Carburetor Body: 22E

T-1060 Silencer Clamp

O.S. Crankcase Speed B2103 Type S & Type R

Outer Head: Speed 12TZ