O.S. Engines

O.S. Outer Head Speed B2103 Type R

Piston Pin Retainer: 61RX SX

Carburetor Screw: #4D4C2H

Throttle Lever #11K

Standoff 5x44.5mm 1-3/4" (4): GT55

Exhaust Seal O-Ring (2)

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

Pushrod: 120-240

Mixture Control Valve: 46AXII

O.S. Carburetor Body 22E (B) Speed B2103 Type R

Muffler Extension Adapter E-3070: 873

Cover Plate: 105HX-R

Motor Mount: 46, 55AX

O-Ring Needle: FS/FX/LA

Cylinder Liner: FS-40

Fuel Inlet: #61B, 91HZ

Intake Manifold Assembly: FS-91 Surpass II

Needle Valve Holder Assembly: 91SZ-H Hyper

Pushrod Cover Assembly: FS72 Alpha

Pushrod Cover Set: Sirius 7

Piston: 70SZ-H

Piston Pin; FS-62V

Piston Ring: FS30S

Piston Ring: FS-70 SII